522 - 06 - 02

5

PIN CONNECTIONS

GS7000

TOP VIEW

1

2

3

4

5

6

7

8

9

10

11

12

13

39

38

37

36

35

34

33

32

31

30

29

28

27

52

NC

H

NC

NC

LOCK

NC

51 50 49 48 47 46 45 44 43 42 41 40

14 15 16 17 18 19 20 21 22 23 24 25 26

PIN DESCRIPTIONS

NUMBER

SYMBOL

TYPE

MODE

DESCRIPTION

1, 13, 14, 26, 27,

39, 40, 44, 45, 52

NC

-

-

No Connect - Connected to Ground.

2-11

I

Tx

27Mb/s Parallel Data Input

12

H

O

Rx

Indicates the presence of active video. Low after SAV ID and high after

EAV ID

15

-

-

Most negative supply for analog circuits

16, 17

-

-

External 100nF Loop Filter Capacitor Connection

18

-

-

Most positive supply for analog circuits

19, 20

SDI, SDI

I

Rx

Differential Serial Data Input

21

-

-

Most positive supply for PECL circuits

22

I

Tx

27MHz External Clock Input

23

-

-

Most negative supply for PECL circuits

24

EQ

I

Rx

Equalizer control. LOW = EQ on, HIGH = EQ bypassed.

25

Rx/Tx

I

-

Receiver/Transmitter Mode Control Input

28

LOCK

O

Rx/Tx

Signal Lock Indication Output. Goes HIGH approximately 38 µs after

valid parallel data occurs.

29 - 38

O

Rx

27Mb/s Parallel Data Output