2

PI74FCT163374

3.3V 16-BIT REGISTER (3-STATE)

PS2056B

01/18/99

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Function

xDx

xCLK

xOE

xOx

High-Z

X

L

H

Z

XHH

Z

Load

L

L

L

Register

H

L

H

LH

Z

HH

Z

1

OE

1

1

2

1

3

GND

4

1

5

1

6

7

1

8

1

9

GND

10

1

11

1

12

2

13

2

14

GND

15

2

16

2

17

18

2

19

2

20

GND

21

2

22

2

23

2

OE

24

1

CLK

48

1

47

1

46

GND

45

1

44

1

43

42

1

41

1

40

GND

39

1

38

1

37

2

36

2

35

GND

34

2

33

2

32

31

2

30

2

29

GND

28

2

27

2

26

2

CLK

25

Product Pin Description

Pin Name

Description

xOE

3-State Output Enable Inputs (Active LOW)

xCLK

Clock Inputs

xDx

Data Inputs

xOx

3-State Outputs

GND

Ground

Power

Truth Table

48-PIN

V48

A48

K48

Product Pin Configuration

Note:

1. H = High Voltage Level, X = Don’t Care,

L = Low Voltage Level, Z = High Impedance

Note:

1. This parameter is determined by device characterization but is not production tested.

Parameters

(1)

Description

Test Conditions

Typ

Max.

Units

Input Capacitance

4.5

6

pF

Output Capacitance

5.5

8

pF