PERIC PI3B33X257 Datasheet

Loading...

PI3B33X257

1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012

1234567890123456789012345678901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901 2123456789012

3.3V, 24:12 Mux/Demux BusSwitch

ProductFeatures

Permits Hot Insertion

Near zero propagation delay

5 Ohm switches connect inputs to outputs

Direct bus connection when switches are ON

Ultra Low Quiescent Power (0.2µA Typical)

– Ideally suited for notebook applications

TTL - compatible control of input levels

Fast switching speed - 4.5ns max.

Packages available:

–48-pin150milwideplasticBQSOP(B)

Truth Table(1)

 

 

 

 

 

 

 

 

 

 

En

Sn

YA(2)

YB(2)

YC(2)

YD(2)

Function

 

H

X

Hi-Z

Hi-Z

Hi-Z

Hi-Z

Disable

 

 

 

 

 

 

 

 

 

 

L

L

IA0

IB0

IC0

ID0

S = 0

 

 

 

 

 

 

 

 

 

 

L

H

IA1

IB1

IC1

ID1

S = 1

Notes: 1. H = High Voltage Level

L = Low Voltage Level

2.n = 0 YA, YB, YC, YD n = 1 YE, YF, YG, YH n = 2 YI, YJ, YK, YL

48-Pin Product Configuration

S0

 

 

 

 

 

VCC

 

1

 

48

 

 

 

 

IA0

 

2

 

47

 

E0

 

 

 

IA1

 

3

 

46

 

ID0

 

 

 

YA

 

4

 

45

 

ID1

 

 

 

IB0

 

5

 

44

 

YD

 

 

 

IB1

 

6

 

43

 

IC0

 

 

 

YB

 

7

 

42

 

IC1

 

 

 

GND

 

8

 

41

 

YC

 

 

 

S1

 

9

 

40

 

VCC

 

 

 

 

10

 

39

 

 

 

 

IE0

 

 

 

 

E

1

IE1

 

11

48-Pin

38

 

IH0

 

 

YE

 

12

37

 

IH1

 

 

 

13

B

36

 

YH

IF0

 

 

IF1

 

14

 

35

 

IG0

 

 

 

YF

 

15

 

34

 

IG1

 

 

 

GND

 

16

 

33

 

YG

 

 

 

S2

 

17

 

32

 

VCC

 

 

 

II0

 

 

 

 

 

 

 

18

 

31

 

 

E

2

II1

 

19

 

30

 

IL0

 

 

 

YI

 

20

 

29

 

IL1

 

 

 

IJ0

 

21

 

28

 

YL

 

 

 

IJ1

 

22

 

27

 

IK0

 

 

 

YJ

 

23

 

26

 

IK1

 

 

 

GND

 

24

 

25

 

YK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ProductDescription

Pericom Semiconductor’s PI3B series of logic circuits are produced using the Company’s advanced sub micron 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.

Logic Block Diagram

IA0

IA1

IB0

IB1

IC0

IC1

ID0

ID1

E0

S0

 

YA

 

YB

 

YC

 

YD

IE0

IE1

IF0

IF1

IG0

IG1

IH0

IH1

E1

S1

YE

 

YF

 

 

YG

 

YH

II0

II1

IJ0

IJ1

IK0

IK1

IL0

IL1

E2

S2

YI

YJ

YK

YL

1

PS8334A

09/28/99

 

 

+ 2 hidden pages