PI74ALVCH16952 查看數據表（PDF） - Pericom Semiconductor

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PI74ALVCH16952

16-Bit Registered Transceiver With 3-STATE Outputs

Pericom Semiconductor 

PI74ALVCH16952

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Product Pin Description

Pin Name

CLKEN

OE

CLK

Ax

Bx

GND

VCC

Description

Clock Enable Input (Active LOW)

Output Enable Input (Active LOW)

Clock Input (Active HIGH)

Data I/O

Data I/O

Ground

Power

Product Pin Configuration

1OEAB

1CLKAB

1CLKENAB

GND

1A1

1A2

VCC

1A3

1A4

1A5

GND

1A5

1A7

1A8

2A1

2A2

2A3

GND

2A4

2A5

2A6

VCC

2A7

2A8

GND

2CLKENAB

2CLKAB

2OEAB

1

56

2

55

3

54

4

53

5

52

6 56-PIN 51

7

A-56

V-56

50

8

49

9

48

10

47

11

46

12

45

13

44

14

43

15

42

16

41

17

40

18

39

19

38

20

37

21

36

22

35

23

34

24

33

25

32

26

31

27

30

28

29

1OEBA

CLKBA

1CLKENBA

GND

1B1

1B2

VCC

1B3

1B4

1B5

GND

1B6

1B7

1B8

2B1

2B2

2B3

GND

2B4

2B5

2B6

VCC

2B7

2B8

GND

2CLKENBA

2CLKBA

2OEAB

Truth Table(1)†

Inputs

Output

CLKENAB CLKAB OEAB

A

B

H

X

L

X

B0‡

X

L

L

X

B0‡

L

­

L

L

L

L

­

L

H

H

X

X

H

X

Z

Note:

1. H = High Signal Level

L = Low Signal Level

Z = High Impedance

↑ = LOW-to-HIGH Transition

† A-to-B data flow is shown: B-to-A flow is similar but

uses OEBA, CLKBA, and CLKENBA.

‡ Output level of B before the indicated steady-state input

conditions were established.

2

PS8197A 10/16/00

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