74HC373 datasheet(2/9 Pages) ONSEMI

Part #	74HC373

Description	Octal 3?뭆tate Non?묲nverting Transparent Latch

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74HC373

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DATA

INPUTS

D0

D1

D2

D3

D4

D5

D6

D7 18

17

14

13

8

7

4

3

1

OUTPUT ENABLE

19

Q0

Q1

Q2

Q3

Q4

Q5

Q6

Q7

16

15

12

9

6

5

2

PIN 20 = VCC

PIN 10 = GND

NONINVERTING

OUTPUTS

11

LATCH ENABLE

FUNCTION TABLE

Inputs

Output

Latch

Enable Enable

D

Q

LH

H

LH

L

X

No Change

HX

X

Z

X = Don’t Care

Z = High Impedance

Q2

D1

D0

Q0

OUTPUT

ENABLE

GND

Q3

D3

D2

Q1

5

4

3

2

1

10

9

8

7

6

14

15

16

17

18

19

20

11

12

13

Q6

D6

D7

Q7

VCC

LATCH

ENABLE

Q4

D4

D5

Q5

LOGIC DIAGRAM

PIN ASSIGNMENT

Design Criteria

Value

Units

Internal Gate Count*

46.5

ea

Internal Gate Propagation Delay

1.5

ns

Internal Gate Power Dissipation

5.0

mW

Speed Power Product

0.0075

pJ

*Equivalent to a two−input NAND gate.

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