8x4 Video Crosspoint Switches with Buffers

6

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______________________________________________________________Pin Description

FUNCTION

1

DIN

Serial Data Input

2, 4, 6, 8,

14, 16, 18,

27, 33, 35

GND

Ground

PIN

3

IN0

Analog Input Channel 0

5

IN1

Analog Input Channel 1

11

IN4

Analog Input Channel 4

10, 31

9

IN3

Analog Input Channel 3

7

IN2

Analog Input Channel 2

19

SHDN

Shutdown, active high. Connect to GND if not used.

17

IN7

Analog Input Channel 7

15

IN6

Analog Input Channel 6

13

IN5

Analog Input Channel 5

12, 29

1

3, 5, 8, 10,

16, 18, 20,

30, 37, 39

4

7

13

12, 35

11

9

21

19

17

15

14, 33

NAME

DIP

PLCC

20

DOUT

Serial Data Output used for daisy-chaining devices.

21

D3

Parallel Digital Channel Input Address Bit 3

25

A1

Parallel Digital Amplifier Output Address Bit 1

24

D0

Parallel Digital Channel Input Address Bit 0

23

D1

Parallel Digital Channel Input Address Bit 1

22

D2

Parallel Digital Channel Input Address Bit 2

34

OUT0

Amplifier 0 Analog Output

32

OUT1

Amplifier 1 Analog Output

30

OUT2

Amplifier 2 Analog Output

28

OUT3

Amplifier 3 Analog Output

26

A0

Parallel Digital Amplifier Output Address Bit 0

22

23

28

27

26

25

38

36

34

31

29

40

–

C

—

S

–

Chip Select, used in serial operation. Hold high for parallel mode of operation.

38

–

U

—

P

—

D

—

A

—

T

—

E

–

Update Low, latches amplifier registers in parallel mode. Hold high for serial operation.

37

–

W

—

R

–

Write Low, latches input registers in parallel mode. Hold high for serial operation.

36

–

C

—

E

–

Chip Enable, used in parallel mode. Keep high for serial operation.

44

42

41

40

—

N.C.

Not Internally Connected

2, 6, 24, 32

39

SCLK

Serial Clock

43

Note: All GND pins must be grounded for optimum crosstalk performance.