v385a Integrated Device Technology, v385a Datasheet

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v385a

Manufacturer Part Number
v385a
Description
8-bit Lvds Transmitter For Video
Manufacturer
Integrated Device Technology
Datasheet

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Part Number:
v385aGLFT
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IDT
Quantity:
20 000
V385A Datasheet
I DT • 2 0 6 4 S i l v e r C r e ek Va l l e y R o a d, S a n J os e , CA 9 5 1 3 8 • t e l ( 8 0 0 ) 3 4 5 - 7 0 1 5 • w w w. i dt . c o m
General Description
The V385A 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.
Compared to the V385, the V385A provides an
extended clock frequency range of 12-90 MHz, rather
than 20-85 MHz. Other performance improvements
have been incorporated as well.
The V385A can be programmed for rising edge or
falling edge clocks through pin R_FB.
Pin Assignment
TxIN10
TxIN11
TxIN12
TxIN13
TxIN14
TxIN15
TxIN16
TxIN17
TxIN18
TxIN19
TxIN20
TxIN21
TxIN22
TxIN23
TxIN24
TxIN25
TxIN5
TxIN6
TxIN7
TxIN8
TxIN9
R_FB
GND
GND
GND
V385A
8-B
VCC
VCC
VCC
IT
56-pin TSSOP
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
20
21
22
23
24
25
26
27
28
LVDS T
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
LVDS_GND
LVDS_VCC
LVDS_GND
LVDS_GND
PLL_GND
PLL_VCC
PLL_GND
PWRDWN
TxIN4
TxIN3
TxIN2
GND
TxIN1
TxIN0
TxIN27
TxOUT0-
TxOUT0+
TxOUT1-
TxOUT1+
TxOUT2-
TxOUT2+
TxCLKOUT-
TxCLKOUT+
TxOUT3-
TxOUT3+
TxCLKIN
TxIN26
GND
RANSMITTER FOR
1
Features
Block Diagram
Red, Green, Blue
Extended clock frequency range of 12 to 90 MHz
Convert 28 bits of 3.3 V CMOS/TTL into 4 LVDS
streams
Up to 2.52 Gbps throughput or 315 Megabytes/sec
bandwidth
Spread spectrum compatible
Supports SD, HD and VGA graphics applications
LVDS voltage swing of 350 mV for low EMI
On-chip PLL requires no external components
Single 3.3 V low-power CMOS design
Operating temperature of -10 to +70°C
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)
Pin and function compatible with the National
DS90C385, TI SN65LVDS93 and THine
THC63LVDM83, but with extended clock frequency
and operating temperature range
DATA ENABLE
CONTROL
PWRDWN
HSYNC
VSYNC
CLOCK
V
R_FB
IDEO
24
TTL to
LVDS
PLL
6/6/07
Revision 1.2
TxOUT0+
TxOUT0-
TxOUT1+
TxOUT1-
TxOUT2+
TxOUT2-
TxOUT3+
TxOUT3-
TxCLKOUT+
TxCLKOUT-

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v385a Summary of contents

Page 1

... V385A 8-B LVDS T IT General Description The V385A 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. Compared to the V385, the V385A provides an extended clock frequency range of 12-90 MHz, rather than 20-85 MHz ...

Page 2

... Ground PLL_GND 36 Ground LVDS_GND V385A Datasheet I DT • • • IDEO Pin Description/Name 3.3V Power Parallel digital video input pins (TxIN0 ...

Page 3

... CMOS/TTL TxIn4 External Components The V385A requires no external components. V385A Datasheet I DT • • • ...

Page 4

... RANSMITTER FOR Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the V385A. 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. ...

Page 5

... Thermal Resistance Junction to Ambient Thermal Resistance Junction to Case V385A Datasheet I DT • • • ...

Page 6

... TxCLK IN Figure AC3. Phase Lock Loop Set Time V385A Datasheet I DT • • • ...

Page 7

... TPPos2 Figure AC5. Transmitter LVDS Output Pulse Position Measurement V385A Datasheet I DT • • • ...

Page 8

... ICS does not authorize or warrant any ICS product for use in life support devices or critical medical instruments. V385A Datasheet I DT • • • ...

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