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PI3B33X257

3.3V, 24:12 Mux/Demux Bus Switch

Product Features

聲 Permits Hot-Insertion

聲 Near-zero propagation delay

聲 5 ohm switches connect inputs to outputs

聲 Direct bus connection when switches are ON

聲 Ultra Low Quiescent Power (0.2碌A(chǔ) Typical)

聳 Ideally suited for notebook applications

聲 TTL - compatible control of input levels

聲 Fast switching speed - 4.5ns max.

聲 Packages available:

聳48-pin 150-mil wide plastic BQSOP (B)

Product Description

Pericom Semiconductor聮s PI3B series of logic circuits are produced

using the Company聮s advanced submicron CMOS technology,

achieving industry leading performance.

The PI3B33X257 is a 3.3V, 24:12 multiplexer/demultiplexer with

three-state outputs. Inputs can be connected to outputs with low

on resistance (5 ohm) with no additional ground bounce noise or

propagation delay.

Pin Configuration

S0

IA0

IA1

YA

IB0

IB1

YB

GND

S1

IE0

IE1

YE

IF0

IF1

YF

GND

S2

II0

II1

YI

IJ0

IJ1

YJ

GND

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

48

47

46

45

44

43

42

41

40

VCC

E0

ID0

ID1

YD

IC0

IC1

YC

VCC

E1

IH0

IH1

YH

IG0

IG1

YG

VCC

E2

IL0

IL1

YL

IK0

IK1

YK

Logic Block Diagram

IA0

IA1

IB0

IB1 IC0 IC1 ID0 ID1

E0

S0

YA

IE0

IE1

YB

IF0

YC

YD

IF1 IG0 IG1 IH0 IH1

48-Pin

B

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

E1

S1

YE

II0

II1

YF

IJ0

IJ1

YG

IK0

IK1

YH

IL0

IL1

E2

S2

YI

YJ

YK

YL

1

PS8334B

11/10/00

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