ICS V385AGT

V385
8-BIT LVDS TRANSMITTER FOR VIDEO
General Description
Features
The V385 transmitter converts 28 bits of 3.3 V
CMOS/TTL into 4 Low Voltage Differential Signaling
(LVDS) data streams while the transmit clock input is
transmitted in parallel with the data streams over a fifth
LVDS link. The V385 can be programmed for rising
edge or falling edge clocks through pin R_FB.
• Pin and function compatible with the National
ICS manufactures a large variety of video application
devices. Consult ICS for all of your video application
requirements.
Pin Assignment
VCC
TxIN5
TxIN6
TxIN7
GND
TxIN8
TxIN9
TxIN10
VCC
TxIN11
TxIN12
TxIN13
GND
TxIN14
TxIN15
TxIN16
R_FB
TxIN17
TxIN18
TxIN19
GND
TxIN20
TxIN21
TxIN22
TxIN23
VCC
TxIN24
TxIN25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
TxIN4
TxIN3
TxIN2
GND
TxIN1
TxIN0
TxIN27
LVDS_GND
TxOUT0TxOUT0+
TxOUT1TxOUT1+
LVDS_VCC
LVDS_GND
TxOUT2TxOUT2+
TxCLKOUTTxCLKOUT+
TxOUT3TxOUT3+
LVDS_GND
PLL_GND
PLL_VCC
PLL_GND
PWRDWN
TxCLKIN
TxIN26
GND
DS90C385, TI SN65LVDS93 and THine
THC63LVDM83
• Convert 28 bits of 3.3 V CMOS/TTL into 4 LVDS
streams
• Up to 2.38 Gbps throughput or 297.5 Megabytes/sec
bandwidth
•
•
•
•
•
•
•
•
•
•
Wide clock frequency range from 20 MHz to 85 MHz
Spread spectrum compatible
Supports VGA, SVGA, XGA, and SXGA
LVDS voltage swing of 350 mV for low EMI
On-chip PLL requires no external components
Single 3.3 V low-power CMOS design
Programmable rising or falling edge strobe
Power-down control function
Compatible with TIA/EIA-644 LVDS standards
Packaged in a 56-pin TSSOP (Pb free available)
Block Diagram
Red, Green, Blue
TxOUT0+
24
TxOUT0-
HSYNC
TxOUT1+
VSYNC
DATA ENABLE
TxOUT1-
TTL to
LVDS
TxOUT2+
CONTROL
TxOUT2R_FB
TxOUT3+
PWRDWN
TxOUT3TxCLKOUT+
CLOCK
PLL
TxCLKOUT-
56-pin TSSOP
V385 Datasheet
1
3/30/05
Revision 1.6
I n t e g r a t e d C i r c u i t S y s t e m s • 5 2 5 R a c e Str e e t , S a n J o s e , C A 9 51 2 6 • t e l ( 4 0 8 ) 2 9 7 - 1 2 0 1 • ww w.i c s t . c o m
V385
8-BIT LVDS TRANSMITTER FOR VIDEO
Pin Descriptions
Pin
Pin Type
Pin Name
Pin Description/Name
1
Power
VCC
3.3V Power
2
CMOS/TTL
TxIN5
Parallel digital video input pins (TxIN0..27).
3
CMOS/TTL
TxIn6
Parallel digital video input pins (TxIN0..27).
4
CMOS/TTL
TxIn7
Parallel digital video input pins (TxIN0..27).
5
Ground
GND
Ground
6
CMOS/TTL
TxIN8
Parallel digital video input pins (TxIN0..27).
7
CMOS/TTL
TxIN9
Parallel digital video input pins (TxIN0..27).
8
CMOS/TTL
TxIN10
Parallel digital video input pins (TxIN0..27).
9
Power
VCC
3.3V Power
10
CMOS/TTL
TxIN11
Parallel digital video input pins (TxIN0..27).
11
CMOS/TTL
TxIN12
Parallel digital video input pins (TxIN0..27).
12
CMOS/TTL
TxIN13
Parallel digital video input pins (TxIN0..27).
13
Ground
GND
Ground
14
CMOS/TTL
TxIN14
Parallel digital video input pins (TxIN0..27).
15
CMOS/TTL
TxIN15
Parallel digital video input pins (TxIN0..27).
16
CMOS/TTL
TxIN16
Parallel digital video input pins (TxIN0..27).
17
CMOS/TTL
R_FB
Programmable strobe select input pin (R_FB). High = rising edge; Low =
falling edge.
18
CMOS/TTL
TxIN17
Parallel digital video input pins (TxIN0..27).
19
CMOS/TTL
TxIN18
Parallel digital video input pins (TxIN0..27).
20
CMOS/TTL
TxIN19
Parallel digital video input pins (TxIN0..27).
21
Ground
GND
Ground
22
CMOS/TTL
TxIN20
Parallel digital video input pins (TxIN0..27).
23
CMOS/TTL
TxIN21
Parallel digital video input pins (TxIN0..27).
24
CMOS/TTL
TxIN22
Parallel digital video input pins (TxIN0..27).
25
CMOS/TTL
TxIN23
Parallel digital video input pins (TxIN0..27).
26
Power
VCC
3.3V Power
27
CMOS/TTL
TxIN24
Parallel digital video input pins (TxIN0..27).
28
CMOS/TTL
TxIN25
Parallel digital video input pins (TxIN0..27).
29
Ground
GND
Ground
30
CMOS/TTL
TxIN26
Parallel digital video input pins (TxIN0..27).
31
CMOS/TTL
TxCLKIN
Clock input (TxCLKIN)
32
CMOS/TTL
PWRDWN
Active low. Powerdown tri-states outputs.
33
Ground
PLL_GND
Ground
34
Power
PLL_VCC
3.3V Power
35
Ground
PLL_GND
Ground
36
Ground
LVDS_GND
Ground
V385 Datasheet
2
3/30/05
Revision 1.6
I n t e g r a t e d C i r c u i t S y s t e m s • 5 2 5 R a c e Str e e t , S a n J o s e , C A 9 51 2 6 • t e l ( 4 0 8 ) 2 9 7 - 1 2 0 1 • ww w.i c s t . c o m
V385
8-BIT LVDS TRANSMITTER FOR VIDEO
Pin
Pin Type
Pin Name
Pin Description/Name
37
LVDS
TxOUT3+
LVDS output (+)
38
LVDS
TxOUT3-
LVDS output (-)
39
LVDS
TxCLKOUT+
LVDS output (+)
40
LVDS
TxCLKOUT-
LVDS output (-)
41
LVDS
TxOUT2+
LVDS output (+)
42
LVDS
TxOUT2-
LVDS output (-)
43
Ground
LVDS_GND
Ground
44
Power
LVDS_VCC
3.3V Power
45
LVDS
TxOUT1+
LVDS output (+)
46
LVDS
TxOUT1-
LVDS output (-)
47
LVDS
TxOUT0+
LVDS output (+)
48
LVDS
TxOUT0-
LVDS output (-)
49
Ground
LVDS_GND
Ground
50
CMOS/TTL
TxIN27
Parallel digital video input pins (TxIN0..27).
51
CMOS/TTL
TxIn0
Parallel digital video input pins (TxIN0..27).
52
CMOS/TTL
TxIn1
Parallel digital video input pins (TxIN0..27).
53
Ground
GND
Ground
54
CMOS/TTL
TxIn2
Parallel digital video input pins (TxIN0..27).
55
CMOS/TTL
TxIn3
Parallel digital video input pins (TxIN0..27).
56
CMOS/TTL
TxIn4
Parallel digital video input pins (TxIN0..27).
External Components
The V385 requires no external components.
V385 Datasheet
3
3/30/05
Revision 1.6
I n t e g r a t e d C i r c u i t S y s t e m s • 5 2 5 R a c e Str e e t , S a n J o s e , C A 9 51 2 6 • t e l ( 4 0 8 ) 2 9 7 - 1 2 0 1 • ww w.i c s t . c o m
V385
8-BIT LVDS TRANSMITTER FOR VIDEO
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the V385. These ratings, which are
standard values for ICS commercially rated parts, are stress ratings only. Functional operation of the device at
these or any other conditions above those indicated in the operational sections of the specifications is not implied.
Exposure to absolute maximum rating conditions for extended periods can affect product reliability. Electrical
parameters are guaranteed only over the recommended operating temperature range.
Item
Rating
Supply Voltage, VDD
-0.3 V to +4 V
All Inputs and Outputs
-0.3 V to VCC+0.3 V
Electrostatic Discharge (EIAJ, 0Ω, 200 pF)
> 500 V
Ambient Operating Temperature
0 to +70°C
Storage Temperature
-65 to +150°C
Junction Temperature
150°C
Maximum Soldering Temperature
260°C
Recommended Operation Conditions
Parameter
Min.
Ambient Operating Temperature
Typ.
Max.
Units
+70
°C
3.6
V
0
Power Supply Voltage (measured in respect to GND)
3.0
3.3
Electrical Characteristics
VDD=3.3 V ±10%, Ambient temperature 0 to +70°C
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
2.00
VCC
V
GND
Freq.
CMOS/TTL DC Specifications
Input High Voltage
VIH
Input Low Voltage
VIL
0.80
V
Input Current
IIN
GND<VIN<VCC
±10
µA
Power-down Current
IPD
No switching for input pins
10
µA
LVDS DC Specifications
Differential Output Voltage
Change in VOD Between
Complimentary Output States
Common Mode Voltage
Change in VCM Between
Complimentary Output States
VOD
RL = 100 ohms
250
345
∆VOD
1.125
VCM
1.250
∆VCM
450
mV
35
mV
1.375
V
35
mV
Output Short Circuit Current
IOS
VOD=0V
3.5
5
mA
Output Tri-State Current
IOZ
Power Down#=0V
±1
±10
µA
V385 Datasheet
4
3/30/05
Revision 1.6
I n t e g r a t e d C i r c u i t S y s t e m s • 5 2 5 R a c e Str e e t , S a n J o s e , C A 9 51 2 6 • t e l ( 4 0 8 ) 2 9 7 - 1 2 0 1 • ww w.i c s t . c o m
V385
8-BIT LVDS TRANSMITTER FOR VIDEO
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
5
ns
Freq.
Recommended Transmitter Input Characteristics
TxCLK IN Transition Time
TCIT
TxCLK IN Period
TCIP
TxCLK IN High Time
TxCLK IN Low Time
TxIN Transition Time
11.76
T
50
ns
TCIH
0.35T
0.5T
0.65T
ns
TCIL
0.35T
0.5T
0.65T
ns
TXIT
1.5
6
ns
Transmitter Switching Characteristics
LVDS Low-to-High Time
LLHT
0.75
1.4
ns
LVDS High-to-Low Time
LHLT
0.75
1.4
ns
Transmitter Output Pulse
Position
TPPos0
Bit0
-0.2
0
0.2
0.2
85 MHz
TPPos1
Bit1
T/7-0.2
T/7
T/7+0.2
ns
85 MHz
TPPos2
Bit2
2T/7-0.2
2T/7
2T/7+0.2
ns
85 MHz
TPPos3
Bit3
3T/7-0.2
3T/7
3T/7+0.2
ns
85 MHz
TPPos4
Bit4
4T/7-0.2
4T/7
4T/7+0.2
ns
85 MHz
TPPos5
Bit5
5T/7-0.2
5T/7
5T/7+0.2
ns
85 MHz
TPPos6
Bit6
6T/7-0.2
6T/7
6T/7+0.2
ns
85 MHz
10
ms
Transmitter Phase Loop Set
TPLLS
TxIN Setup to TxCLK IN
TSTC
2.5
ns
TxIN Hold to TxCLK IN
THTC
0
ns
TxCLK IN to TxCLK OUT
Delay
TCCD
10
30
ns
Thermal Characteristics
Parameter
Symbol
Conditions
Thermal Resistance Junction to Ambient
θJA
Still air
84
°C/W
θJA
1 m/s air flow
76
°C/W
θJA
3 m/s air flow
67
°C/W
50
°C/W
Thermal Resistance Junction to Case
V385 Datasheet
θJC
5
Min.
Typ.
3/30/05
Max.
Units
Revision 1.6
I n t e g r a t e d C i r c u i t S y s t e m s • 5 2 5 R a c e Str e e t , S a n J o s e , C A 9 51 2 6 • t e l ( 4 0 8 ) 2 9 7 - 1 2 0 1 • ww w.i c s t . c o m
V385
8-BIT LVDS TRANSMITTER FOR VIDEO
AC Timing Diagrams
TCIP
TCIL
TCIH
TxCLK IN
TxIN
TCIH
THTC
Figure AC1. Transmitter Setup/Hold and High/Low Times (Falling Edge Strobe or R_FB=0)
TxCLK IN
TxCLK OUT+
TCCD
TxCLK OUT-
Figure AC2. Clock IN to Clock OUT Delay (Rising Edge Strobe or R_FB=1)
PWRDWN#
TPLLS
VCC
TxCLK IN
Unknown
Figure AC3. Phase Lock Loop Set Time
V385 Datasheet
6
3/30/05
Revision 1.6
I n t e g r a t e d C i r c u i t S y s t e m s • 5 2 5 R a c e Str e e t , S a n J o s e , C A 9 51 2 6 • t e l ( 4 0 8 ) 2 9 7 - 1 2 0 1 • ww w.i c s t . c o m
V385
8-BIT LVDS TRANSMITTER FOR VIDEO
90%
90%
10%
10%
TTL Input
TCIT
TCIT
80%
80%
20%
20%
LVDS Output
LLHT
LLHT
5 pF
100 ohms
Figure AC4. Transmitter Device Transition Times and Load
TxCLK OUT+
TxOUT3
TxIN27-1 TxIN27-1
TxIN23
TxIN17
TxIN16
TxIN11
TxIN10
TxIN5
TxIN26
TxIN25
TxIN24
TxIN22
TxIN21
TxIN20
TxIN8-1
TxIN18
TxIN15
TxIN14
TxIN13
TxIN12
TxIN9
TxIN0-1
TxIN7
TxIN6
TxIN4
TxIN3
TxIN2
TxIN1
TxOUT2
TxIN20-1 TxIN19-1
TxOUT1
TxIN9-1
TxOUT0
TxIN1-1
TPPos0
TPPos1
TPPos2
TPPos3
TPPos4
TPPos5
TPPos6
Figure AC5. Transmitter LVDS Output Pulse Position Measurement
V385 Datasheet
7
3/30/05
Revision 1.6
I n t e g r a t e d C i r c u i t S y s t e m s • 5 2 5 R a c e Str e e t , S a n J o s e , C A 9 51 2 6 • t e l ( 4 0 8 ) 2 9 7 - 1 2 0 1 • ww w.i c s t . c o m
V385
8-BIT LVDS TRANSMITTER FOR VIDEO
Package Outline and Package Dimensions (56-pin TSSOP)
Package dimensions are kept current with JEDEC Publication No. 95
56
Millimeters
Symbol
E1
A
A1
A2
b
C
D
E
E1
e
L
a
aaa
E
INDEX
AREA
1 2
D
A
2
Min
Inches*
Max
—
1.20
0.05
0.15
0.80
1.05
0.17
0.27
0.09
0.20
13.90
14.10
8.10 BASIC
6.00
6.20
0.50 BASIC
0.45
0.75
0°
8°
—
0.10
Min
Max
—
0.047
0.002
0.006
0.032
0.041
0.007
0.011
0.0035
0.008
0.547
0.555
0.319 BASIC
0.236
0.244
0.020 BASIC
0.018
0.030
0°
8°
—
0.004
* For reference only. Controlling dimensions in mm.
A
A
1
c
-Ce
SEATING
PLANE
b
α
L
aaa C
V385 Datasheet
8
3/30/05
Revision 1.6
I n t e g r a t e d C i r c u i t S y s t e m s • 5 2 5 R a c e Str e e t , S a n J o s e , C A 9 51 2 6 • t e l ( 4 0 8 ) 2 9 7 - 1 2 0 1 • ww w.i c s t . c o m
V385
8-BIT LVDS TRANSMITTER FOR VIDEO
Ordering Information
Part / Order
Number
Marking
Shipping
Packaging
Package
Temperature
Notes
V385AG
V385AG
Tubes
56-pin TSSOP
0 to +70° C
V385AGT
V385AG
Tape and Reel
56-pin TSSOP
0 to +70° C
V385AGLF
V385AGLF
Tubes
56-pin TSSOP
0 to +70° C
V385AGLFT
V385AGLF
Tape and Reel
56-pin TSSOP
0 to +70° C
V385GLF
V385GLF
Tubes
56-pin TSSOP
0 to +70° C
Replaced by V385AGLF
V385GLFT
V385GLF
Tape and Reel
56-pin TSSOP
0 to +70° C
Replaced by V385AGLFT
Parts that are ordered with a "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant.
While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit
Systems (ICS) assumes no responsibility for either its use or for the infringement of any patents or other rights of
third parties, which would result from its use. No other circuits, patents, or licenses are implied. This product is
intended for use in normal commercial applications. Any other applications such as those requiring extended
temperature range, high reliability, or other extraordinary environmental requirements are not recommended
without additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice.
ICS does not authorize or warrant any ICS product for use in life support devices or critical medical instruments.
V385 Datasheet
9
3/30/05
Revision 1.6
I n t e g r a t e d C i r c u i t S y s t e m s • 5 2 5 R a c e Str e e t , S a n J o s e , C A 9 51 2 6 • t e l ( 4 0 8 ) 2 9 7 - 1 2 0 1 • ww w.i c s t . c o m