TI SN74LVTH16646-EP

SCBS786A − NOVEMBER 2003 − REVISED APRIL 2004
D Controlled Baseline
D
D
D
D
D
D
D
D
D
D
D
D
D Latch-Up Performance Exceeds 500 mA Per
− One Assembly/Test Site, One Fabrication
Site
Enhanced Diminishing Manufacturing
Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree†
Member of the Texas Instruments
Widebus  Family
State-of-the-Art Advanced BiCMOS
Technology (ABT) Design for 3.3-V
Operation and Low Static-Power
Dissipation
Supports Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
3.3-V VCC)
Supports Unregulated Battery Operation
Down To 2.7 V
Typical VOLP (Output Ground Bounce)
<0.8 V at VCC = 3.3 V, TA = 25°C
Ioff and Power-Up 3-State Support Hot
Insertion
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
Distributed VCC and GND Pins Minimize
High-Speed Switching Noise
Flowthrough Architecture Optimizes PCB
Layout
† Component qualification in accordance with JEDEC and industry
standards to ensure reliable operation over an extended
temperature range. This includes, but is not limited to, Highly
Accelerated Stress Test (HAST) or biased 85/85, temperature
cycle, autoclave or unbiased HAST, electromigration, bond
intermetallic life, and mold compound life. Such qualification
testing should not be viewed as justifying use of this component
beyond specified performance and environmental limits.
D
D
JESD 17
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Thin Shrink Small-Outline (DGG) Package
DGG PACKAGE
(TOP VIEW)
1DIR
1CLKAB
1SAB
GND
1A1
1A2
VCC
1A3
1A4
1A5
GND
1A6
1A7
1A8
2A1
2A2
2A3
GND
2A4
2A5
2A6
VCC
2A7
2A8
GND
2SAB
2CLKAB
2DIR
1
56
2
55
3
54
4
53
5
52
6
51
7
50
8
49
9
48
10
47
11
46
12
45
13
44
14
43
15
42
16
41
17
40
18
39
19
38
20
37
21
36
22
35
23
34
24
33
25
32
26
31
27
30
28
29
1OE
1CLKBA
1SBA
GND
1B1
1B2
VCC
1B3
1B4
1B5
GND
1B6
1B7
1B8
2B1
2B2
2B3
GND
2B4
2B5
2B6
VCC
2B7
2B8
GND
2SBA
2CLKBA
2OE
description/ordering information
The SN74LVTH16646 is a 16-bit bus transceiver designed for low-voltage (3.3-V) VCC operation, but with the
capability to provide a TTL interface to a 5-V system environment.
This device can be used as two 8-bit transceivers or one 16-bit transceiver. Data on the A or B bus is clocked
into the registers on the low-to-high transition of the appropriate clock (CLKAB or CLKBA) input. Figure 1
illustrates the four fundamental bus-management functions that can be performed with the SN74LVTH16646
device.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Widebus is a trademark of Texas Instruments.
Copyright  2004, Texas Instruments Incorporated
! " #$%! " &$'(#! )!%
)$#!" # ! "&%##!" &% !*% !%" %+" "!$%!"
"!)) ,!- )$#! &#%"". )%" ! %#%""(- #($)%
!%"!. (( &%!%"
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
SCBS786A − NOVEMBER 2003 − REVISED APRIL 2004
description/ordering information (continued)
Output-enable (OE) and direction-control (DIR) inputs are provided to control the transceiver functions. In the
transceiver mode, data present at the high-impedance port may be stored in either register or in both registers.
The select-control (SAB and SBA) inputs can multiplex stored and real-time (transparent mode) data. The
circuitry used for select control eliminates the typical decoding glitch that occurs in a multiplexer during the
transition between stored and real-time data. DIR determines which bus receives data when OE is low. In the
isolation mode (OE high), A data can be stored in one register and/or B data can be stored in the other register.
When an output function is disabled, the input function still is enabled and can be used to store and transmit
data. Only one of the two buses, A or B, can be driven at a time.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
When VCC is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 1.5 V, OE should be tied to VCC through a pullup resistor;
the minimum value of the resistor is determined by the current-sinking capability of the driver.
This device is fully specified for hot-insertion applications using Ioff and power-up 3-state. The Ioff circuitry
disables the outputs, preventing damaging current backflow through the device when it is powered down. The
power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down,
which prevents driver conflict.
ORDERING INFORMATION
ORDERABLE
PART NUMBER
PACKAGE†
TA
TOP-SIDE
MARKING
−40°C to 85°C
TSSOP − DGG
Tape and reel CLVTH16646IDGGREP
LH16646EP
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available
at www.ti.com/sc/package.
FUNCTION TABLE
INPUTS
DATA I/O
OE
DIR
CLKAB
CLKBA
SAB
SBA
A1−A8
B1−B8
X
X
↑
X
X
X
Input
Unspecified‡
OPERATION OR FUNCTION
X
X
X
↑
X
X
Unspecified‡
Input
Store A, B unspecified‡
Store B, A unspecified‡
H
X
↑
↑
X
X
Input
Input
Store A and B data
H
X
H or L
H or L
X
X
Input disabled
Input disabled
Isolation, hold storage
L
L
X
X
X
L
Output
Input
Real-time B data to A bus
L
L
X
H or L
X
H
Output
Input
Stored B data to A bus
L
H
X
X
L
X
Input
Output
Real-time A data to B Bus
L
H
H or L
X
H
X
Input
Output
Stored A data to bus
‡ The data-output functions may be enabled or disabled by various signals at OE or DIR. Data-input functions always are enabled, i.e., data at
the bus terminals is stored on every low-to-high transition of the clock inputs.
2
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
OE
L
DIR
L
CLKAB CLKBA
X
X
SAB
X
BUS B
BUS A
BUS A
BUS B
SCBS786A − NOVEMBER 2003 − REVISED APRIL 2004
SBA
L
OE
L
DIR
H
DIR
X
X
X
CLKAB CLKBA
↑
X
↑
X
↑
↑
SAB
L
SBA
X
BUS B
BUS A
BUS A
OE
X
X
H
CLKBA
X
REAL-TIME TRANSFER
BUS A TO BUS B
BUS B
REAL-TIME TRANSFER
BUS B TO BUS A
CLKAB
X
SAB
SBA
X
X
X
X
X
X
STORAGE FROM
A, B, OR A AND B
OE
L
L
DIR
L
H
CLKAB
X
H or L
CLKBA
H or L
X
SAB
X
H
SBA
H
X
TRANSFER STORED DATA
TO A AND/OR B
Figure 1. Bus-Management Functions
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
3
SCBS786A − NOVEMBER 2003 − REVISED APRIL 2004
logic diagram (positive logic)
1OE
1DIR
1CLKBA
1SBA
1CLKAB
1SAB
56
1
55
54
2
3
One of Eight Channels
1D
C1
1A1
5
52
1B1
1D
C1
2OE
2DIR
2CLKBA
2SBA
2CLKAB
2SAB
To Seven Other Channels
29
28
30
31
27
26
One of Eight Channels
1D
C1
2A1
15
42
1D
C1
To Seven Other Channels
4
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
2B1
SCBS786A − NOVEMBER 2003 − REVISED APRIL 2004
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Voltage range applied to any output in the high-impedance
or power-off state, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Voltage range applied to any output in the high state, VO (see Note 1) . . . . . . . . . . . . . −0.5 V to VCC + 0.5 V
Current into any output in the low state, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA
Current into any output in the high state, IO (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 mA
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −50 mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −50 mA
Package thermal impedance, θJA (see Note 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°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 other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. This current flows only when the output is in the high state and VO > VCC.
3. The package thermal impedance is calculated in accordance with JESD 51.
recommended operating conditions (see Note 4)
MIN
MAX
2.7
3.6
UNIT
VCC
VIH
Supply voltage
VIL
VI
Low-level input voltage
0.8
V
Input voltage
5.5
V
IOH
IOL
High-level output current
−32
mA
Low-level output current
64
mA
∆t/∆v
Input transition rise or fall rate
10
ns/V
∆t/∆VCC
TA
Power-up ramp rate
200
Operating free-air temperature
−40
High-level input voltage
2
Outputs enabled
V
V
µs/V
85
°C
NOTE 4: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
5
SCBS786A − NOVEMBER 2003 − REVISED APRIL 2004
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
UNIT
−1.2
V
VIK
VCC = 2.7 V,
VCC = 2.7 V to 3.6 V,
II = −18 mA
IOH = −100 µA
VOH
VCC = 2.7 V,
VCC = 3 V,
IOH = −8 mA
IOH = −32 mA
IOL = 100 µA
IOL = 24 mA
0.2
VCC = 2.7 V
IOL = 16 mA
IOL = 32 mA
0.4
VOL
VCC = 3 V
Control inputs
Ioff
II(hold)
A or B ports
V
2
0.5
VCC = 3.6 V,
VCC = 0 or 3.6 V,
0.55
±1
VI = 5.5 V
VI = 5.5 V
10
VCC = 3.6 V
VI = VCC
VI = 0
1
VCC = 0,
VI or VO = 0 to 4.5 V
VI = 0.8 V
VCC = 3 V
20
µA
−5
±100
µA
75
VI = 2 V
VI = 0 to 3.6 V
VCC = 3.6 V§,
V
0.5
IOL = 64 mA
VI = VCC or GND
II
A or B ports‡
VCC−0.2
2.4
µA
−75
±500
IOZPU
VCC = 0 to 1.5 V, VO = 0.5 V to 3 V, OE = don’t care
± 100
µA
IOZPD
VCC = 1.5 V to 0, VO = 0.5 V to 3 V, OE = don’t care
±100
µA
ICC
VCC = 3.6 V, IO = 0, VI = VCC or GND
Outputs high
0.19
Outputs low
5
Outputs disabled
∆ICC¶
mA
0.19
VCC = 3 V to 3.6 V, One input at VCC − 0.6 V, Other inputs at VCC or GND
0.2
mA
Ci
VI = 3 V or 0
4
pF
Cio
VO = 3 V or 0
10
pF
† All typical values are at VCC = 3.3 V, TA = 25°C.
‡ Unused pins at VCC or GND
§ This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another.
¶ This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND.
timing requirements over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 2)
VCC = 3.3 V
± 0.3 V
MIN
fclock
tw
Clock frequency
tsu
Setup time, A or B before CLKAB↑ or CLKBA↑
th
Hold time, A or B after CLKAB↑ or CLKBA↑
MIN
150
Pulse duration, CLK high or low
3.3
1.2
1.5
2
2.8
Data high
0.5
0
Data low
0.5
0.5
POST OFFICE BOX 655303
Data low
• DALLAS, TEXAS 75265
UNIT
MAX
150
3.3
Data high
6
MAX
VCC = 2.7 V
MHz
ns
ns
ns
SCBS786A − NOVEMBER 2003 − REVISED APRIL 2004
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 2)
PARAMETER
fmax
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
FROM
(INPUT)
TO
(OUTPUT)
VCC = 3.3 V
± 0.3 V
MIN
TYP†
VCC = 2.7 V
MAX
150
CLKBA or CLKAB
A or B
A or B
B or A
SBA or SAB‡
A or B
OE
A or B
OE
A or B
DIR
A or B
• DALLAS, TEXAS 75265
UNIT
MAX
150
MHz
1.3
2.8
4.2
4.7
1.3
2.8
4.2
4.7
1
2.4
3.4
3.9
1
2.1
3.4
3.9
1
2.8
4.5
5.4
1
3
4.5
5.4
1
2.5
4.3
5.2
1
2.6
4.3
5.2
2
4
5.6
6.1
2
3.6
5.4
6.1
1
3
4.4
5.3
1
3
4.4
5.3
1.5
3.9
5.7
DIR
A or B
tPLZ
1.5
3.6
5.2
† All typical values are at VCC = 3.3 V, TA = 25°C.
‡ These parameters are measured with the internal output state of the storage register opposite that of the bus input.
POST OFFICE BOX 655303
MIN
ns
ns
ns
ns
ns
ns
6.8
5.7
ns
7
SCBS786A − NOVEMBER 2003 − REVISED APRIL 2004
PARAMETER MEASUREMENT INFORMATION
6V
S1
500 Ω
From Output
Under Test
GND
CL = 50 pF
(see Note A)
TEST
S1
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
6V
GND
Open
500 Ω
2.7 V
Timing Input
LOAD CIRCUIT
1.5 V
0V
tw
tsu
2.7 V
Input
1.5 V
1.5 V
th
2.7 V
Data Input
1.5 V
1.5 V
0V
0V
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
2.7 V
1.5 V
Input
1.5 V
0V
tPLH
tPHL
VOH
1.5 V
Output
1.5 V
VOL
tPHL
1.5 V
1.5 V
VOL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
1.5 V
0V
tPZL
tPLZ
3V
1.5 V
tPZH
VOH
Output
Output
Waveform 1
S1 at 6 V
(see Note B)
tPLH
1.5 V
2.7 V
Output
Control
Output
Waveform 2
S1 at GND
(see Note B)
VOL + 0.3 V
VOL
tPHZ
1.5 V
VOH − 0.3 V
VOH
≈0 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns.
D. The outputs are measured one at a time, with one transition per measurement.
Figure 2. Load Circuit and Voltage Waveforms
8
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
PACKAGE OPTION ADDENDUM
www.ti.com
18-Sep-2008
PACKAGING INFORMATION
Orderable Device
Status (1)
Package
Type
Package
Drawing
Pins Package Eco Plan (2)
Qty
CLVTH16646IDGGREP
ACTIVE
TSSOP
DGG
56
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
V62/04716-01XE
ACTIVE
TSSOP
DGG
56
2000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
Lead/Ball Finish
MSL Peak Temp (3)
(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)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
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.
OTHER QUALIFIED VERSIONS OF SN74LVTH16646-EP :
• Catalog: SN74LVTH16646
NOTE: Qualified Version Definitions:
• Catalog - TI's standard catalog product
Addendum-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
5-Aug-2008
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
CLVTH16646IDGGREP
Package Package Pins
Type Drawing
TSSOP
DGG
56
SPQ
Reel
Reel
Diameter Width
(mm) W1 (mm)
2000
330.0
24.4
Pack Materials-Page 1
A0 (mm)
B0 (mm)
K0 (mm)
P1
(mm)
W
Pin1
(mm) Quadrant
8.6
15.6
1.8
12.0
24.0
Q1
PACKAGE MATERIALS INFORMATION
www.ti.com
5-Aug-2008
*All dimensions are nominal
Device
Package Type
Package Drawing
Pins
SPQ
Length (mm)
Width (mm)
Height (mm)
CLVTH16646IDGGREP
TSSOP
DGG
56
2000
346.0
346.0
41.0
Pack Materials-Page 2
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Following are URLs where you can obtain information on other Texas Instruments products and application solutions:
Products
Amplifiers
Data Converters
DSP
Clocks and Timers
Interface
Logic
Power Mgmt
Microcontrollers
RFID
RF/IF and ZigBee® Solutions
amplifier.ti.com
dataconverter.ti.com
dsp.ti.com
www.ti.com/clocks
interface.ti.com
logic.ti.com
power.ti.com
microcontroller.ti.com
www.ti-rfid.com
www.ti.com/lprf
Applications
Audio
Automotive
Broadband
Digital Control
Medical
Military
Optical Networking
Security
Telephony
Video & Imaging
Wireless
www.ti.com/audio
www.ti.com/automotive
www.ti.com/broadband
www.ti.com/digitalcontrol
www.ti.com/medical
www.ti.com/military
www.ti.com/opticalnetwork
www.ti.com/security
www.ti.com/telephony
www.ti.com/video
www.ti.com/wireless
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