PERIC PI3B16211 Datasheet

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PI3B16211

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3.3V, Hot Insertion, 24-Bit BusSwitch

Product Features

Near-zero propagation delay

5 Ω switches connect inputs to outputs

Fast Switching Speed - 4.5ns max.

Permits Hot Insertion

• V CC operating range: 3.0V to 3.6V

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

Packages available:

56-pin 240-mil wide thin plastic TSSOP (A)

56-pin 300-mil wide plastic SSOP (V)

Product Description

Pericom Semiconductor’s PI3B series of logic circuits are produced using the Company’s advanced 0.35 micron CMOS technology.

The PI3B16211 is a 3.3 volt, hot insertion, 24-bit bus switch designed with a low ON resistance allowing inputs to be connected directly to outputs. This device operates as a 24-bit or a as 12-bit bus switch that provides high-speed bus switching.

Logic Block Diagram

Product Pin Configuration

Truth Table

 

 

 

2OE

1A, 1B I/Os

2A, 2B I/Os

1OE

 

L

L

1A = 1B

2A = 2B

L

H

1A = 1B

Z

H

L

Z

2A = 2B

H

H

Z

Z

Note:

1.H = High Voltage Level L = Low Voltage Level Z = High Impedance

NC

 

1

 

56

 

1OE

 

 

 

 

 

 

 

1A1

 

2

 

55

 

2

OE

 

 

 

 

1A2

 

3

 

54

 

1B1

 

 

 

1A3

 

4

 

53

 

1B2

 

 

 

1A4

 

5

 

52

 

1B3

 

 

 

1A5

 

6

 

51

 

1B4

 

 

 

1A6

 

7

 

50

 

1B5

 

 

 

GND

 

8

 

49

 

GND

 

 

 

1A7

 

9

 

48

 

1B6

 

 

 

1A8

 

10

 

47

 

1B7

 

 

 

1A9

 

11

 

46

 

1B8

 

 

 

1A10

 

12

56-PIN

45

 

1B9

 

 

 

 

1A11

 

13

A, V

44

 

1B10

 

 

1A12

 

14

 

43

 

1B11

 

 

 

2A1

 

15

 

42

 

1B12

 

 

 

2A2

 

16

 

41

 

2B1

 

 

 

VCC

 

17

 

40

 

2B2

 

 

 

 

 

 

2A3

 

18

 

39

 

2B3

 

 

 

 

 

 

GND

 

19

 

38

 

GND

 

 

 

2A4

 

20

 

37

 

2B4

 

 

 

 

 

 

2A5

 

21

 

36

 

2B5

 

 

 

 

 

 

2A6

 

22

 

35

 

2B6

 

 

 

 

 

 

2A7

 

23

 

34

 

2B7

 

 

 

 

 

 

2A8

 

24

 

33

 

2B8

 

 

 

 

 

 

2A9

25

 

32

 

2B9

2A10

26

 

31

 

2B10

2A11

27

 

30

 

2B11

2A12

28

 

29

 

2B12

Product Pin Description

Pin Name

I/O

Description

 

 

 

 

 

 

 

 

 

 

 

 

I

Select Inputs

1OE,

2OE

xAx

I/O

Bus A

 

 

 

 

 

 

 

xBx

I/O

Bus B

1

PS8176B

11/09/98

 

 

+ 2 hidden pages