PI5C34X245Z 데이터 시트보기 (PDF) - Pericom Semiconductor

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PI5C34X245Z

32-Bit, 2-Port Bus Switch

Pericom Semiconductor 

PI5C34X245

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32-Bit, 2-Port Bus Switch

Product Features

• 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

• Pin compatible with QS34X245

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

• Packages available:

– 80-pin 150 mil wide plastic BQSOP (B)

– 80-pin plastic very Fine Pitch dual flat No lead (DFN) (Z)

Logic Block Diagram

A0

B0

A7

B7

BE1

A8

B8

A15

B15

BE2

A16

B16

A23

B23

BE3

A24

B24

A31

B31

BE4

Truth Table(1)

Product Description

Pericom Semiconductor’s PI5C series of logic circuits are produced

using the Company’s advanced submicron CMOS technology.

The PI5C34X245 is a 32-bit, 2-port bus switch. Four enable signals

(BEn) turn the switches on. The bus switch creates no additional

propagational delay or additional ground bounce noise.

Product Pin Configuration

NC

A0

A1

A2

A3

A4

A5

A6

A7

GND

NC

A8

A9

A10

A11

A12

A13

A14

A15

GND

NC

A16

A17

A18

A19

A20

A21

A22

A23

GND

NC

A24

A25

A26

A27

A28

A29

A30

A31

GND

1

80

2

79

3

78

4

77

5

76

6

75

7

74

8

73

9

72

10

71

11

70

12

69

13

68

14

67

15

66

16

65

17

64

18

63

19

62

20

61

21

60

22 8 0 - P i n 59

23 B, Z 58

24

57

25

56

26

55

27

54

28

53

29

52

30

51

31

50

32

49

33

48

34

47

35

46

36

45

37

44

38

43

39

42

40

41

VCC

BE1

B0

B1

B2

B3

B4

B5

B6

B7

VCC

BE2

B8

B9

B10

B11

B12

B13

B14

B15

VCC

BE3

B16

B17

B18

B19

B20

B21

B22

B23

VCC

BE4

B24

B25

B26

B27

B28

B29

B30

B31

Function

BEn

Disconnect

H

A0–31

Hi-Z

Product Pin Description

Connect

L

Note:

1. H = High Voltage Level

L = Low Voltage Level

Hi-Z = High Impedance

B0–31

Pin Name I/O

BEn

I

A0-A31

I/O

B0-B31

I/O

Description

Bus Enable Input (Active LOW)

Bus A

Bus B

PS7058C 08/02/01

1

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