1

PS8181E

09/10/04

1

2

3

4

5

6

7

GND

8

9

10

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

GND

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Features

•

Low power: 10µW

•

Industrial operating temperature: –40°C to +85°C

•

Near zero propagation delay

•

Fast switching speed: 4.5ns max.

•

500 -ohm pulldown to unconnected B port

•

Series 25-ohm resistor option on all outputs

•

Make-before-break action

• Packaging (Pb-free & Green available):

– 40-pin BQSOP (B)

Description

Pericom Semiconductor’s PI3B16224 is a 3.3V, 12-bit to 24-bit mux/

demux bus switch designed with a low On-Resistance allowing

inputs to be connected directly to outputs.

PI3B16224

3.3V, 12-Bit to 24-Bit

DeMux/Mux NanoSwitch

™

Block Diagram

PinConfiguration

40-Pin

B

A1

1B1

2B1

500

Ω

A12

S1

1B12

2B12

500

Ω

B

A

S

SW

n

o

i

t

c

n

u

F1

SA

B

1

o

t

AL

B

1

B

2

o

t

AH

B

2