HD74LV221A View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

MFG CO.

HD74LV221A

Dual Monostable Multivibrators

Hitachi -> Renesas Electronics 

HD74LV221A

Function Table

Inputs

CLR

A

B

L

X

X

X

H

X

X

X

L

H

L

↑

H

↓

H

↑

L

H

Note: H: High level

L: Low level

X: Immaterial

↑: Low to high transition

↓: High to low transition

: High level pulse

: Low level pulse

Pin Arrangement

Outputs

Q

Q

L

H

L

H

L

H

1A 1

1B 2

1CLR 3

1Q 4

2Q 5

2Cext 6

2Rext / Cext 7

GND 8

(Top view)

16 VCC

15 1Rext / Cext

14 1Cext

13 1Q

12 2Q

11 2CLR

10 2B

9 2A

2

Share Link: