TI1 HD3SS215 Hd3ss215 6.0 gbps hdmi displayport 2:1/1:2 differential switch Datasheet

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HD3SS215, HD3SS215I
SLAS971C – MAY 2014 – REVISED AUGUST 2015
HD3SS215 6.0 Gbps HDMI DisplayPort 2:1/1:2 Differential Switch
1 Features
3 Description
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•
•
•
HD3SS215 is a high-speed wide common mode
passive switch capable of supporting DisplayPort1.2a
and high definition multimedia interface (HDMI2.0)
applications requiring 4k2k 60Hz refresh rates. The
HD3SS215 can be configured to support two sources
to one sink or one source to two sinks. To support
these video standards the HD3SS215 also switches
the display data channel (DDC) and hot plug detect
(HPD) signals for HDMI or digital video interface
(DVI) applications. It also switches the auxiliary (AUX)
and hot plug detect (HPD) signals for DisplayPort
applications. The flexibility the HD3SS215 provides
by supporting both wide common mode and AC or
DC coupled links makes it ideal for many
applications.
1
•
•
•
•
•
•
•
•
•
•
General Purpose 2:1/1:2 Differential Switch
Compatible With DisplayPort Electrical Standard
Compatible With HDMI Electrical Standards
2:1 and 1:2 Switching Supporting Data Rates up
to 6 Gbps
Supports HPD Switching
Supports AUX and DDC Switching
Wide –3-dB Differential Bandwidth of 7 GHz
Excellent Dynamic Characteristics (at 3 GHz)
– Crosstalk = –35 dB
– Isolation = –21 dB
– Insertion Loss = –1.6 dB
– Return Loss = –12 dB
– Max Bit-Bit Skew = 5 ps
VDD Operating Range 3.3 V ±10%
Commercial Temperature Range: 0°C to 70°C
(HD3SS215)
Industrial Temperature Range: –40°C to 85°C
(HD3SS215I)
Package Options:
– 5 mm x 5 mm, 50-Ball ZQE
– 8 mm × 8 mm, 56-Pin RTQ
Output Enable (OE) Pin Disables Switch to Save
Power
Power Consumption:
– Active < 9 mW Typical
– Standby < 30 µW Maximum (When OE = L)
Device Information(1)
PART NUMBER
PACKAGE
HD3SS215,
HD3SS215I
•
•
•
•
Desktop and Notebook Applications:
– PCI Express Gen 1, Gen 2 Switching
– DP Switching
– HDMI Switching
– LVDS Switching
Docking
UHDTV, HDTV and Monitors
Set Top Boxes
AVRs, Blu-Ray, DVD players
5.00 mm x 5.00 mm
QFN (56)
8.00 mm × 8.00 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Application Schematic
Source A
4
DAx(p)
4
DAx(n)
4
DCx(p)
4
DCx(n)
2
DDCC
2
AUXCx
AUXAx
2
DDCA 2
HPDA
DP/DP++
HDMI sink
HPDC
AUXBx
2
DDCB 2
HPDB
OE
Source B
Dx_SEL
Control
4
DBx(p)
4
DBx(n)
2 Applications
•
BODY SIZE (NOM)
µBGA (50)
AUX_SEL
HD3SS215 2:1
DP/DP++
HDMI Sink A
4
DAx(p)
4
DAx(n)
4
DCx(p)
4
DCx(n)
2
DDCC
2
AUXCx
AUXAx
2
DDCA 2
HPDA
AUXBx
2
Source
HPDC
DDCB 2
DP/DP++
HDMI Sink B
HPDB
OE
Control
4
DBx(p)
4
DBx(n)
Dx_SEL
AUX_SEL
HD3SS215 1:2
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
HD3SS215, HD3SS215I
SLAS971C – MAY 2014 – REVISED AUGUST 2015
www.ti.com
Table of Contents
1
2
3
4
5
6
7
8
Features ..................................................................
Applications ...........................................................
Description .............................................................
Revision History.....................................................
Description (Continued) ........................................
Pin Configuration and Functions .........................
Specifications.........................................................
1
1
1
2
4
4
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7
7
7
7
8
9
9
9
Absolute Maximum Ratings ......................................
ESD Ratings..............................................................
Recommended Operating Conditions.......................
Thermal Information ..................................................
Electrical Characteristics...........................................
Electrical Characteristics, Device Parameters ..........
Switching Characteristics ..........................................
Timing Diagrams .......................................................
Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 12
8.3 Feature Description................................................. 13
8.4 Device Functional Modes........................................ 13
9
Applications and Implementation ...................... 14
9.1 Application Information............................................ 14
9.2 Typical Applications ................................................ 14
10 Power Supply Recommendations ..................... 18
11 Layout................................................................... 19
11.1 Layout Guidelines ................................................. 19
11.2 Layout Example .................................................... 19
12 Device and Documentation Support ................. 21
12.1
12.2
12.3
12.4
Community Resources..........................................
Trademarks ...........................................................
Electrostatic Discharge Caution ............................
Glossary ................................................................
21
21
21
21
13 Mechanical, Packaging, and Orderable
Information ........................................................... 21
4 Revision History
Changes from Revision B (July 2015) to Revision C
•
Page
Added ton(OE_L-H), toff(OE_H-L), and tSWITCH_OVER to the Switching Characteristics ........................................................................ 9
Changes from Revision A (May 2014) to Revision B
Page
•
Changed the title From: "2.0/DisplayPort 1.2A" To: "DisplayPort" ......................................................................................... 1
•
Changed Features list item From: Compatible With DisplayPort 1.2a Electrical Standard To: Compatible With
DisplayPort Electrical Standard .............................................................................................................................................. 1
•
Changed Features list item From: Compatible With HDMI 1.4b and HDMI 2.0 Electrical Standards To: Compatible
With HDMI Electrical Standards ............................................................................................................................................. 1
•
Added Features item: Commercial Temperature Range: –40°C to 70°C (HD3SS215)......................................................... 1
•
Added Features item: Inductrial Temperature Range: –40°C to 85°C (HD3SS215I) ............................................................ 1
•
Added Features, Package Options: 8 mm × 8 mm, 56-Pin RTQ ........................................................................................... 1
•
Changed the Applications list item From: TV and Monitors To: UHDTV, HDTV and Monitors.............................................. 1
•
Added Description (Continued) paragraph. ........................................................................................................................... 4
•
Added the 56-Pin QFN image ................................................................................................................................................ 5
•
Added RTQ column to the Pin Functions table ..................................................................................................................... 6
•
Moved Tstg From: ESD Ratings To: Absolute Maximum Ratings (1) (2) .................................................................................... 7
•
Changed the Handling Ratings table to ESD Ratings table .................................................................................................. 7
•
Added HD3SS2151I, Operating free-air temperature Recommended Operating Conditions ............................................... 7
•
Added RTQ 56 PIN values to the Thermal Information.......................................................................................................... 7
•
Added table Note " This pin can be driven.." to the Electrical Characteristics table .............................................................. 8
•
Changed the Electrical Characteristics, Device Parameters (3) table to include ZQE and RTQ package values................... 9
•
Added the Switching Characteristics table ............................................................................................................................ 9
•
Added section: HDMI 2:1 Sink Application Using the RTQ Package .................................................................................. 18
•
Added Figure 10 .................................................................................................................................................................. 20
2
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Changes from Original (May 2014) to Revision A
Page
•
Changed Description section ................................................................................................................................................. 1
•
Changed Figure 3 ................................................................................................................................................................ 14
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5 Description (Continued)
One typical application would be a mother board that includes two GPUs that need to drive one DisplayPort sink.
The GPU is selected by the Dx_SEL pin. Another application is when one source needs to switch between one
of two sinks, such as a side connector an a docking station connector. The switching is controlled using the
Dx_SEL and AUX_SEL pins. The HD3SS215I operates from a single supply voltage of 3.3 V, over full industrial
temperature range –40°C to 85°C, in the ZQE package and 56 pin RTQ package.
6 Pin Configuration and Functions
50-Pin µBGA
ZQE Package
(Top View)
1
2
A
Dx_SEL
VDD
B
DC0(n)
DC0(p)
C
GND
4
5
6
DA0(n)
DA1(n)
DA2(n)
DA0(p)
DA1(p)
DA2(p)
7
OE
8
9
DA3(p)
DA3(n)
DB0(p)
DB0(n)
AUX_SEL
GND
D
DC1(n)
DC1(p)
DB1(p)
DB1(n)
E
DC2(n)
DC2(p)
DB2(p)
DB2(n)
F
DC3(n)
DC3(p)
DB3(p)
DB3(n)
GND
GND
G
4
3
H
AUXC(n)
AUXC(p)
HPDB
GND
DDCCLK_B
AUXB(p)
J
HPDC
HPDA
DDCCLK_C
VDD
DDCDAT_B
AUXB(n)
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GND
DDCCLK_A
AUXA(p)
DDCDAT_C DDCDAT_A
AUXA(n)
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DX_SEL
VDD
DA0(P)
DA0(N)
GND
DA1(P)
DA1(N)
GND
DA2(P)
DA2(N)
GND
DA3(P)
DA3(N)
OE
56
55
54
53
52
51
50
49
48
47
46
45
44
43
56-Pin QFN
RTQ Package
(Top View)
AUX_SEL
1
42
NC
DC0(P)
2
41
DB0(P)
DC0(N)
3
40
DB0(N)
GND
4
39
GND
DC1(P)
5
38
DB1(P)
DC1(N)
6
37
DB1(N)
GND
7
36
GND
DC2(P)
8
35
DB2(P)
DC2(N)
9
34
DB2(N)
GND
10
33
GND
DC3(P)
11
32
DB3(P)
DC3(N)
12
31
DB3(N)
AUXC(P)
13
30
AUXA(P)
AUXC(N)
14
29
AUXA(N)
HD3SS215 RTQ
21
22
23
24
25
NC
DDCCLK_B
DDCDAT_B
AUXB(P)
AUXB(N)
28
20
NC
DDCDAT_A
19
VDD
27
18
DDCCLK_C
DDCCLK_A
17
HPDB
26
16
HPDA
DDCDAT_C
15
HPDC
GND
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Pin Functions
PIN
NAME
NO.
ZQE
RTQ
Dx_SEL
A1
56
2 Level Control I
High Speed Port Selection Control Pins
AUX_SEL
C2
1
3 Level Control I
AUX/DDC Selection Control Pin in Conjunction with Dx_SEL Pin
DA0(p)
B4
54
DA0(n)
A4
53
DA1(p)
B5
51
DA1(n)
A5
50
DA2(p)
B6
48
DA2(n)
A6
47
DA3(p)
A8
45
DA3(n)
A9
44
DB0(p)
B8
41
DB0(n)
B9
40
DB1(p)
D8
38
DB1(n)
D9
37
DB2(p)
E8
35
DB2(n)
E9
34
DB3(p)
F8
32
DB3(n)
F9
31
DC0(p)
B2
2
DC0(n)
B1
3
DC1(p)
D2
5
DC1(n)
D1
6
DC2(p)
E2
8
DC2(n)
E1
9
DC3(p)
F2
11
DC3(n)
F1
12
AUXA(p)
H9
30
AUXA(n)
J9
29
AUXB(p)
H6
24
AUXB(n)
J6
25
AUXC(p)
H2
13
AUXC(n)
H1
14
DDCCLK_A
H8
27
DDCDAT_A
J8
28
DDCCLK_B
H5
22
DDCDAT_B
J5
23
DDCCLK_C
J3
18
DDCDAT_C
J7
26
HPDA/B/C
J2, H3, J1
16, 17, 15
I/O
OE
B7
43
I
VDD
A2, J4
19, 55
Supply
3.3V Positive power supply voltage
B3, C8, G2,
G8 H4, H7
4, 7, 10, 33,
36, 39, 46,
49, 52
Supply
Ground
GND
NC
Thermal Pad
(1)
6
DESCRIPTION (1)
I/O
Port A, Channel 0, High Speed Positive Signal
I/O
Port A, Channel 0, High Speed Negative Signal
Port A, Channel 1, High Speed Positive Signal
I/O
Port A, Channel 1, High Speed Negative Signal
Port A, Channel 2, High Speed Positive Signal
I/O
Port A, Channel 2, High Speed Negative Signal
Port A, Channel 3, High Speed Positive Signal
I/O
Port A, Channel 3, High Speed Negative Signal
Port B, Channel 0, High Speed Positive Signal
I/O
Port B, Channel 0, High Speed Negative Signal
Port B, Channel 1, High Speed Positive Signal
I/O
Port B, Channel 1, High Speed Negative Signal
Port B, Channel 2, High Speed Positive Signal
I/O
Port B, Channel 2, High Speed Negative Signal
Port B, Channel 3, High Speed Positive Signal
I/O
Port B, Channel 3, High Speed Negative Signal
Port C, Channel 0, High Speed Positive Signal
I/O
Port C, Channel 0, High Speed Negative Signal
Port C, Channel 1, High Speed Positive Signal
I/O
Port C, Channel 1, High Speed Negative Signal
Port C, Channel 2, High Speed Positive Signal
I/O
Port C, Channel 2, High Speed Negative Signal
Port C, Channel 3, High Speed Positive Signal
I/O
Port C, Channel 3, High Speed Negative Signal
Port A AUX Positive Signal
I/O
Port A AUX Negative Signal
Port B AUX Positive Signal
I/O
Port B AUX Negative Signal
Port C AUX Positive Signal
I/O
Port C AUX Negative Signal
Port A DDC Clock Signal
I/O
Port A DDC Data Signal
Port B DDC Clock Signal
I/O
Port B DDC Data Signal
Port C DDC Clock Signal
I/O
Port C DDC Data Signal
Port A/B/C Hot Plug Detect
Output Enable:
OE = VIH: Normal Operation
OE = VIL: Standby Mode
20, 21, 42
–
–
Not connected
GND
Supply Ground
Only the high speed data DAz/DBz ports incorporate 20kΩ pull down resistors that are switched in when a port is not selected and
switched out when the port is selected.
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7 Specifications
7.1 Absolute Maximum Ratings (1) (2)
over operating free-air temperature range (unless otherwise noted)
VALUE
Supply voltage
Voltage
Tstg
(1)
(2)
MIN
MAX
VDD
–0.5
4
Differential I/O
–0.5
4
AUX_SEL, Dx_SEL
–0.5
4
HPDx, DDCCLK_X, DDCDAT_X
–0.5
6
Storage temperature
–65
150
UNIT
V
V
°C
Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only and functional operation of the device at these or any conditions beyond those indicated under recommended operating conditions
is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
All voltage values, except differential voltages, are with respect to network ground pin.
7.2 ESD Ratings
V(ESD)
(1)
(2)
Electrostatic discharge
VALUE
UNIT
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins (1)
±1500
V
Charged device model (CDM), per JEDEC specification JESD22-C101,
all pins (2)
±1250
V
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
7.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
VDD
Main power supply
TA
Operating free-air temperature
CAC
AC coupling capacitor
MIN
NOM
MAX
3
3.3
3.6
V
70
°C
HD3SS215
0
HD3SS215I
–40
75
100
UNIT
85
°C
200
nF
7.4 Thermal Information
THERMAL METRIC (1)
HD3SS215
RTQ (56 PIN)
ZQE (50 PIN)
RθJA
Junction-to-ambient thermal resistance
90.5
71.6
RθJC(top)
Junction-to-case (top) thermal resistance
41.9
44.1
RθJB
Junction-to-board thermal resistance
53.9
49.0
ψJT
Junction-to-top characterization parameter
1.8
2.7
ψJB
Junction-to-board characterization parameter
53.4
49.0
RθJC(bot)
Junction-to-case (bottom) thermal resistance
N/A
N/A
(1)
UNIT
°C/W
For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
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7.5 Electrical Characteristics
Typical values for all parameters are at VDD = 3.3 V and TA = 25°C. All temperature limits are specified by design.
PARAMETER
VDD
TEST CONDITIONS
Supply voltage
VIH
Input high voltage
MIN
TYP
MAX
3
3.3
3.6
Control Pins, Signal Pins
(Dx_SEL, AUX_SEL, OE)
2
VDD
HPD and DDC
2
5.5
-0.1
0.8
V
Switch I/O diff voltage
0
1.8
Vpp
Switch common mode voltage
0
3.3
V
0
70
°C
AUX_SEL Pin
VIL
Input low voltage
Control Pins, Signal Pins
(Dx_SEL, AUX_SEL, OE)
VI/O_Diff
Differential voltage (Dx, AUXx)
VCM
Common voltage (Dx, AUXx)
Operating free-air temperature
VDD/2
IIH
Input high current (Dx_SEL,
AUX_SEL)
VDD = 3.6 V, VIN = VDD
1
IIM
Input mid current (AUX_SEL)
VDD = 3.6 V, VIN = VDD/2
1
IIL
Input low current (Dx_SEL,
AUX_SEL)
VDD = 3.6 V, VIN = GND
0.01
1
VDD = 3.6 V, VIN = 2 V, OE = 3.3 V
0.01
2
VDD = 3.6 V, VIN = 2 V, OE = 0 V
0.01
2
VDD = 3.6 V, VIN = 2 V, OE = 0 V;
Dx_SEL = 3.3 V
0.01
5
VDD = 3.6 V, VIN = 2 V, OE = 3.3 V;
Dx_SEL = GND
0.01
5
ILK
Leakage current (HPDx/DDCx)
V
V
Input mid level voltage
Leakage current
(Dx_SEL, AUX_SEL)
V
VDD/2 +
300mV
(1)
VIM
VDD/2 300mV
UNIT
IOFF
Device shut down current
VDD = 3.6 V, OE = GND
IDD
Supply current
VDD = 3.6 V,
Dx_SEL= VDD; AUX_SEL = GND;
Outputs Floating
µA
8
2.5
3.2
mA
8
14
Ω
1.5
Ω
DA, DB, DC HIGH SPEED SIGNAL PATH
RON
ON resistance
VCM = 0 V–3.3V,
IO = –1mA
ΔRON
On resistance match between pairs
of the same channel
VCM = 0 V–3.3V,
IO = -1 mA
RFLAT_ON
On resistance flatness (RON(MAX) –
RON(MAIN))
VCM = 0 V–3.3V
1.3
5
8
Ω
30
40
Ω
Ω
AUXx, DDC, SIGNAL PATH
RON(AUX)
ON resistance on AUX channel
VCM = 0 V–3.3V,
IO = -8 mA
RON(DDC)
ON resistance on DDC channel
VCM = 0.4 V, IO = -3 mA
(1)
8
This pin can be driven to the specified level or 10 kΩ. Pull up and pull downs can be used. It cannot be left floating.
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7.6 Electrical Characteristics, Device Parameters (1)
Under recommended operating conditions; RLOAD, RSC = 50 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
ZQE package
RL
Dx Differential return loss
RTQ package
XTALK
Dx Differential crosstalk
OIRR
Dx Differential off-isolation
ZQE package
ZQE package
RTQ package
BWAUX
AUX –3-dB bandwidth
(1)
–15
3 GHz
–12
1.35 GHz
–17
3 GHz
–13
MAX
dB
–35
–21
dB
–16
f = 1.35 GHz
–1.2
f = 3 GHz
–1.6
dB
–2
f = 3 GHz
dB
–2.4
ZQE package
7
RTQ package
5
UNIT
dB
–35
f = 1.35 GHz
RTQ package
Dx Differential -3-dB bandwidth
1.35 GHz
3 GHz
Dx Differential insertion loss
BWDx
TYP
2.7 GHz
RTQ package
ZQE package
IL
MIN
GHz
720
MHz
For Return Loss, Crosstalk, Off-Isolation, and Insertion Loss values the data was collected on a Rogers material board with minimum
length traces on the input and output of the device under test.
7.7 Switching Characteristics
Under recommended operating conditions; RLOAD, RSC = 50 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
RSC and RLOAD = 50 Ω,
See Figure 2
tPD
Switch propagation delay
ton(OE_L-H)
Time from OE toggling High and valid data at the
outputs
toff(OE_H-L)
Time from OE toggling Low and outputs are in Zstate
tSWITCH_OVER
Time to switch between ports when DX_SEL or
AUX_SEL state is changed for Data, AUX, DDC
signals
ton
Dx_SEL/AUX_SEL-to-Switch ton (HPD)
toff
Dx_SEL/AUX_SEL-to-Switch toff (HPD)
tSK(O)
Inter-Pair output skew (CH-CH)
tSK(b-b)
Intra-Pair output skew (bit-bit)
RSC and RLOAD = 50 Ω,
VCM = 3 V - 3.3 V
MAX
UNIT
200
ps
1
2
15
50
0.7
1
µs
RSC and RLOAD = 50 Ω,
See Figure 1
RLOAD = 125k Ω, See Figure 1
0.7
1
0.7
20
30
RSC and RLOAD = 50 Ω,
See Figure 2
1
5
µs
µs
ps
7.8 Timing Diagrams
50%
Dx_SEL
90%
10%
VOUT
Ton
Toff
Figure 1. Select to Switch ton and toff
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Timing Diagrams (continued)
Vcc
Rsc = 50 Ω
DAx/DBx(p)
DCx(p)
HD3SS215
RLoad = 50 Ω
Rsc = 50 Ω
DAx/DBx(n)
DCx(n)
RLoad = 50 Ω
SEL
DAx/DBx(p)
50%
50%
DAx/DBx(n)
DCx(p)
50%
50%
DCx(n)
t P1
t1
t P2
t3
t2
t4
DCx(p)
50%
DCx(n)
DCy(p)
t SK(O)
DCy(n)
tPD = Max(tp1, tp2)
tSK(O) = Difference between tPD for any
two pairs of outputs
tSK(b-b) = 0.5 X |(t4 – t3) + (t1 – t2)|
Figure 2. Propagation Delay and Skew
10
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8 Detailed Description
8.1 Overview
The HD3SS215 is a generic analog, differential passive switch that can work for any high speed interface
applications, as long as it is biased at a common mode voltage range of 0-3.3V and has differential signaling with
differential amplitude up to 1800mVpp. It employs an adaptive tracking that maintains the high speed channel
impedance over the entire common mode voltage range. In high-speed applications and data paths, signal
integrity is an important concern. The switch offers excellent dynamic performance such as high isolation,
crosstalk immunity, and minimal bit-bit skew. These characteristics allow the device to function seamlessly in the
system without compromising signal integrity. The 2:1/1:2, mux/de-mux device operates with ports A or B
switched to port C, or port C switched to either port A or B. This flexibility allows an application to select between
one of two Sources on ports A and B and send the output to the sink on port C. Similarly, a Source on port C can
select between one of two Sink devices on ports A and B to send the data. To comply with DisplayPort , DP++
and HDMI applications, the HD3SS215 also switches AUX, HPD, and DDC along with the high-speed differential
signals. The HPD and data signals are both switched through the Dx_SEL pin. AUX and DDC are controlled with
AUX_SEL and Dx_SEL. The Functional Modes section contains information on how to set the control pins.
With an OE control pin, the HD3SS215 is operational, with low active current, when this pin is high. When OE is
pulled lowed, the device goes into standby mode and draws very little current in order to save power
consumption in the application.
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8.2 Functional Block Diagram
VDD
DAz(p)
4
DAz(n)
4
SEL=0
4
(z = 0, 1, 2 or 3)
4
DBz(p)
4
DBz(n)
4
DCz(p)
DCz(n)
SEL=1
SEL
Dx_SEL
SEL
HPDA
SEL=0
HPDB
SEL=1
HPDC
AUX_SEL
AUXA(p)
AUXA(n)
AUXB(p)
AUXB(n)
SEL2
SEL
AUXx(P) or DDCCLK_x
AUXx(n) or DDCDAT_ x
AUXC(p)
AUXC(n)
DDCCLK_C
DDCDAT_C
DDCCLK_A
DDCDAT_A
DDCCLK_B
DDCDAT_B
OE
HD3SS215
GND
NOTE: The high speed data ports incorporate 20kΩ pull down resistors that are switched in when a port is not selected and
switched out when the port is selected.
12
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8.3 Feature Description
8.3.1 High Speed Switching
The HD3SS215 supports switching of 6Gbps data rates. The wide common mode of the device enables it to
support TMDS signal levels and DisplayPort signals. The high speed muxing is designed with a wide -3dB
differential bandwidth of 7 GHz and industry leading dynamic characteristics. All of these attributes help maintain
signal integrity in the application. Each high speed port incorporates 20kΩ pull down resistors that are switched
in when the port is not selected and switched out when the port is selected.
8.3.2 HPD, AUX, and DDC Switching
HPD, AUX and DDC switching is supported through the HD3SS215. This enables the device to work in multiple
application scenarios within multiple electrical standards. The AUXA/B and DDCA/B lines can both be switched
to the AUXC port. This feature supports DP++ or AUX only adapters. For HDMI applications, the DDC channels
are switched to the DDC_C port only and the AUX channel can remain active or the end user can make it float.
8.3.3 Output Enable and Power Savings
The HD3SS215 has two power modes, active/normal operating mode, and standby mode. During standby mode,
the device consumes very little current to save the maximum power. To enter standby mode, the OE control pin
is pulled low and must remain low. For active/normal operation, the OE control pin should be pulled high to VDD
through a resistor.
8.4 Device Functional Modes
8.4.1 Switch Control Modes
Refer to the Functional Block Diagram.
The HD3SS215 behaves as a two to one or one to two differential switch using high bandwidth pass gates. The
input ports are selected using the AUX_SEL pin and Dx_SEL pin which are shown in Table 1.
Table 1. Switch Control Logic (1) (2) (3)
CONTROL LINES (4)
SWITCHED I/O PINS
AUX_SEL
Dx_SEL
DCz(p) Pin
z = 0, 1, 2 or 3
L
L
DAz(p)
DAz(n)
HPDA
To/From
AUXC
Z
To/From
AUXA
Z
Z
Z
L
H
DBz(p)
DBz(n)
HPDB
Z
To/From
AUXC
To/From
AUXB
Z
Z
Z
H
L
DAz(p)
DAz(n)
HPDA
Z
Z
To/From
DDCA
To/From
AUXC
Z
Z
H
H
DBz(p)
DBz(n)
HPDB
Z
Z
To/From
DDCB
Z
To/From
AUXC
Z
M (4)
L
DAz(p)
DAz(n)
HPDA
To/From
AUXC
Z
To/From
AUXA
To/From
DDCC
Z
To/From
DDCA
M (4)
H
DBz(p)
DBz(n)
HPDB
Z
To/From
AUXC
To/From
AUXB
Z
To/From
DDCC
To/From
DDCB
(1)
(2)
(3)
(4)
DCz(n) Pin
z = 0, 1, 2 or 3
HPDC Pin
AUXA
AUXB
AUXC
DDCA
DDCB
DDCC
Z = High Impedance
OE pin - For normal operation, drive OE high. Driving the OE pin low will disable the switch.
The ports which are not selected by the control lines will be in high impedance status.
For HDMI application, keep the AUX_SEL at middle level voltage. The AUX channel is still active, and the end user can make the lines
float.
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9 Applications and Implementation
9.1 Application Information
The HD3SS215 can be used in a variety of applications. This section shows the typical applications for
DisplayPort , DP++, and HDMI. The example diagrams illustrate using the HD3SS215 in a two source to one
sink application and a one source to two sinks application. All schematics are using the ZQE pin-out.
9.2 Typical Applications
9.2.1 DisplayPort and Dual Mode Adapter with Two Sources
The application schematic below shows the HD3SS215 in the 2:1 configuration for DisplayPort switching. The
HD3SS215 receives inputs from DP Source A and DP Source B. The control pins of the device can be set to
select Source A/B inputs and transfer them to port C through the Dx_SEL control pin. The schematic also shows
the CONFIG1 and AUX_SEL settings to configure the HD3SS215 to work with DP++ Type 2 and Type1
adapters. For this specific schematic, the AC capacitors needed on the MainLink signal lines are shown on the
Sink side of the HD3SS215. This is done to decrease the BOM. If desired the AC capacitors maybe placed in the
signal path on the Source A/B side of HD3SS215. Additional diagrams are provided to show the configuration of
the AUX channel for 2:1 and 1:2 DisplayPort only applications.
Figure 3. HD3SS215 Application Diagram for DisplayPort or Dual Mode Adapter Configuration
14
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Typical Applications (continued)
Figure 4. HD3SS215 AUX Channel in 2:1 DisplayPort Application
Figure 5. HD3SS215 AUX Channel in 1:2 DisplayPort Application
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Typical Applications (continued)
9.2.1.1 Design Requirements
Table 2. Design Parameters
DESIGN PARAMETER
EXAMPLE VALUE
VDD
3.3 V
Decoupling Capacitors
0.1µF
AC Capacitors
75nF-200nF (100nF shown)
AUX Pull-Up/Pull-Down Resistors
10kΩ-105kΩ (100kΩ shown)
Pull-Up/Pull-Down Resistors for Control Pins
10kΩ
CONFIG1/CONFIG2 Pull-Down Resistors
1MΩ and 5MΩ
9.2.1.2 Detailed Design Procedure
The HD3SS215 is designed to operate with a 3.3V power supply. Levels above those listed in the Absolute
Ratings table should not be used. If using a higher voltage system power supply, a voltage regulator can be used
to step down to 3.3V. Decoupling capacitors may be used to reduce noise and improve power supply integrity.
AC capacitors must be placed on the MainLink lines. Additionally, AC capacitors are placed on the AUXC lines.
After the blocking capacitors, the AUXCp line must be pulled down weakly through a resistor to ground, and the
AUXCn line must be pulled up weakly through a resistor to VDD. The voltage level of the control pins, AUX_SEL
and Dx_SEL should be set according to the application and muxing desired. For a DisplayPort connector, the
CONFIG1 and CONFIG2 pins should be pulled to ground through resistors. For Dual Mode adapter
implementation, the CONFIG1 line may be used to perform cable adapter detection. The CONFIG2 line can be
configured for an HDMI adaptor or left as a no connect for a DVI adapter. The CONFIG2 pin on the connector
should be pulled up or left floating accordingly for Dual Mode adapter configuration.
16
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9.2.2 HDMI Application with Two Sinks
The HD3SS215 can be placed in applications needing to switch between two sinks. In this example, the HDMI
source selects between Sink A or Sink B in the 1:2 configuration.
Figure 6. Application Diagram for a 1:2 Configuration with HDMI Source and Connectors
9.2.2.1 Design Requirements
Table 3. Design Parameters
DESIGN PARAMETER
EXAMPLE VALUE
VDD
3.3 V
Decoupling Capacitors
0.1 µF
DDC Pull-Up Resistors
1.5 kΩ–2 kΩ to 5 V (2 kΩ shown)
Pull-Up/Pull-Down Resistors for Control Pins
10 kΩ
HPD Pull-Down Resistor
100 kΩ
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9.2.2.2 Detailed Design Procedure
The HD3SS215 is designed to operate with a 3.3V power supply. Levels above those listed in the Absolute
Ratings table should not be used. If using a higher voltage system power supply, a voltage regulator can be used
to step down to 3.3V. Decoupling capacitors may be used to reduce noise and improve power supply integrity.
Pull-up resistors to 5V must be placed on the source side DDC clock and data lines according to the HDMI2.0
Standard. A weak pull down resistor should be placed on the source side HPD line. This is to ensure the source
can differentiate between when HPD is disconnected or at a high voltage level. The AUX_SEL and Dx_SEL
control pins should be set according to the application and desired muxing.
9.2.3 HDMI 2:1 Sink Application Using the RTQ Package
The HD3SS215 can be placed in applications needing to switch between two HDMI connectors and one Generic
HDMI sink.
AUX_SEL and Dx_SEL configured for A to C
Figure 7. HDMI 2:1 Sink Application Using the RTQ Package
10 Power Supply Recommendations
The HD3SS215 is designed to operate with a 3.3V power supply. Levels above those listed in the Absolute
Ratings table should not be used. If using a higher voltage system power supply, a voltage regulator can be used
to step down to 3.3V. Decoupling capacitors may be used to reduce noise and improve power supply integrity.
18
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11 Layout
11.1 Layout Guidelines
•
•
•
•
•
•
•
•
•
The ESD and EMI protection devices (if used) should be placed as close as possible to the connector.
Place voltage regulators as far away as possible from the high-speed differential pairs.
It is recommended that small decoupling capacitors for the HD3SS215 power rail be placed close to the
device.
The high-speed differential signal traces should be routed on the top layer to avoid the use of vias and allow
clean interconnects to the mux.
The high speed differential signal traces should be routed parallel to each other as much as possible. It is
recommended the traces be symmetrical.
In order to control impedance for transmission lines, a solid ground plane should be placed next to the highspeed signal layer. This also provides an excellent low-inductance path for the return current flow.
The power plane should be placed next to the ground plane to create additional high-frequency bypass
capacitance.
Adding test points will cause impedance discontinuity and will therefore negatively impact signal performance.
If test points are used, they should be placed in series and symmetrically. They must not be placed in a
manner that causes stubs on the differential pair.
Avoid 90 degree turns in traces. The use of bends in differential traces should be kept to a minimum. When
bends are used, the number of left and right bends should be as equal as possible and the angle of the bend
should be ≥135 degrees. This will minimize any length mismatch caused by the bends and therefore minimize
the impact bends have on EMI.
11.2 Layout Example
An example layout for the HD3SS215 shows the device implemented on a 4 layer board. The layout figures
follow the DisplayPort application schematic above. The top layer layout view shows the signal routing for two
sources and one sink. The bottom layer layout view shows the remaining signal routing and a copper pour
implemented for the decoupling capacitors.
Figure 8. Top Layer Layout View
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Layout Example (continued)
Figure 9. Bottom Layer Layout View
Figure 10. RTQ Layout for 2:1 HDMI Sink Application
20
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12 Device and Documentation Support
12.1 Community Resources
The following links connect to TI community resources. Linked contents are provided "AS IS" by the respective
contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of
Use.
TI E2E™ Online Community TI's Engineer-to-Engineer (E2E) Community. Created to foster collaboration
among engineers. At e2e.ti.com, you can ask questions, share knowledge, explore ideas and help
solve problems with fellow engineers.
Design Support TI's Design Support Quickly find helpful E2E forums along with design support tools and
contact information for technical support.
12.2 Trademarks
E2E is a trademark of Texas Instruments.
All trademarks are the property of their respective owners.
12.3 Electrostatic Discharge Caution
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
12.4 Glossary
SLYZ022 — TI Glossary.
This glossary lists and explains terms, acronyms, and definitions.
13 Mechanical, Packaging, and Orderable Information
The following pages include mechanical packaging and orderable information. This information is the most
current data available for the designated devices. This data is subject to change without notice and revision of
this document. For browser-based versions of this data sheet, refer to the left-hand navigation.
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PACKAGE OPTION ADDENDUM
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2-Oct-2015
PACKAGING INFORMATION
Orderable Device
Status
(1)
Package Type Package Pins Package
Drawing
Qty
Eco Plan
Lead/Ball Finish
MSL Peak Temp
(2)
(6)
(3)
Op Temp (°C)
Device Marking
(4/5)
HD3SS215IRTQR
PREVIEW
QFN
RTQ
56
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-3-260C-168 HR
-40 to 85
HD3SS215I
HD3SS215IRTQT
PREVIEW
QFN
RTQ
56
250
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-3-260C-168 HR
-40 to 85
HD3SS215I
HD3SS215IZQER
ACTIVE
BGA
MICROSTAR
JUNIOR
ZQE
50
2500
Green (RoHS
& no Sb/Br)
SNAGCU
Level-3-260C-168 HR
-40 to 85
HD3SS215I
HD3SS215IZQET
PREVIEW
BGA
MICROSTAR
JUNIOR
ZQE
50
250
Green (RoHS
& no Sb/Br)
SNAGCU
Level-3-260C-168 HR
-40 to 85
HD3SS215I
HD3SS215RTQR
ACTIVE
QFN
RTQ
56
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-3-260C-168 HR
0 to 70
HD3SS215
HD3SS215RTQT
ACTIVE
QFN
RTQ
56
250
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-3-260C-168 HR
0 to 70
HD3SS215
HD3SS215ZQER
ACTIVE
BGA
MICROSTAR
JUNIOR
ZQE
50
2500
Green (RoHS
& no Sb/Br)
SNAGCU
Level-3-260C-168 HR
0 to 70
HD3SS215
HD3SS215ZQET
ACTIVE
BGA
MICROSTAR
JUNIOR
ZQE
50
TBD
Call TI
Call TI
0 to 70
HD3SS215
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability
information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight
in homogeneous material)
Addendum-Page 1
Samples
PACKAGE OPTION ADDENDUM
www.ti.com
2-Oct-2015
(3)
MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4)
There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5)
Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
(6)
Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish
value exceeds the maximum column width.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
29-Jul-2015
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0
Diameter Width (mm)
(mm) W1 (mm)
B0
(mm)
K0
(mm)
P1
(mm)
W
Pin1
(mm) Quadrant
HD3SS215RTQR
QFN
RTQ
56
2000
330.0
16.4
8.3
8.3
1.1
12.0
16.0
Q2
HD3SS215RTQT
QFN
RTQ
56
250
180.0
16.4
8.3
8.3
1.1
12.0
16.0
Q2
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
29-Jul-2015
*All dimensions are nominal
Device
Package Type
Package Drawing
Pins
SPQ
Length (mm)
Width (mm)
Height (mm)
HD3SS215RTQR
QFN
RTQ
56
2000
367.0
367.0
38.0
HD3SS215RTQT
QFN
RTQ
56
250
210.0
185.0
35.0
Pack Materials-Page 2
PACKAGE OUTLINE
ZQE0050A
BGA MicroStar Jr TM - 1 mm max height
SCALE 2.500
PLASTIC BALL GRID ARRAY
5.1
4.9
A
B
BALL A1 CORNER
INDEX AREA
5.1
4.9
(0.74)
C
1 MAX
SEATING PLANE
BALL TYP
0.25
TYP
0.15
0.08 C
4 TYP
(0.5) TYP
SYMM
J
H
(0.5) TYP
G
4
TYP
F
SYMM
E
D
C
50X
B
A
0.5 TYP
1
2
3
4 5
6
7
8
0.35
0.25
0.15
0.05
C A
C
B
9
0.5 TYP
4221625/A 02/2015
MicroStar Junior is trademark of Texas Instruments.
NOTES:
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing
per ASME Y14.5M.
2. This drawing is subject to change without notice.
3. Reference JEDEC registration MO-225.
www.ti.com
EXAMPLE BOARD LAYOUT
ZQE0050A
BGA MicroStar Jr TM - 1 mm max height
PLASTIC BALL GRID ARRAY
50X ( 0.28)
(0.5) TYP
1
2
3
4
5
6
7
8
9
A
(0.5) TYP
B
C
D
SYMM
E
F
G
H
J
SYMM
LAND PATTERN EXAMPLE
SCALE:15X
0.05 MAX
( 0.28)
METAL
METAL UNDER
SOLDER MASK
0.05 MIN
( 0.28)
SOLDER MASK
OPENING
SOLDER MASK
OPENING
NON-SOLDER MASK
DEFINED
(PREFERRED)
SOLDER MASK
DEFINED
SOLDER MASK DETAILS
NOT TO SCALE
4221625/A 02/2015
NOTES: (continued)
4. Final dimensions may vary due to manufacturing tolerance considerations and also routing constraints.
For information, see Texas Instruments literature number SSYZ015 (www.ti.com/lit/ssyz015).
www.ti.com
EXAMPLE STENCIL DESIGN
ZQE0050A
BGA MicroStar Jr TM - 1 mm max height
PLASTIC BALL GRID ARRAY
50X ( 0.28)
(R0.05) TYP
(0.5) TYP
1
(0.5) TYP
2
3
4
5
6
7
8
9
A
B
C
D
METAL
TYP
SYMM
E
F
G
H
J
SYMM
SOLDER PASTE EXAMPLE
BASED ON 0.1 mm THICK STENCIL
SCALE:20X
4221625/A 02/2015
NOTES: (continued)
5. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release.
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