HD74ALVC2G74

Rev.3.00, Dec.18.2003, page 2 of 10

Outline and Article Indication

• HD74ALVC2G74

Lot No.

Y : Year code

(the last digit of year)

M : Month code

W : Week code

Y M W

A 7 4

Marking

Index band

SSOP-8

Function Table

Inputs

Outputs

PRE

CLR

CLK

D

Q

Q

LH

X

X

H

L

HL

X

X

L

H

LL

X

X

H

*1

H

*1

HH

↑

HHL

HH

↑

LLH

HH

↓

Q

0

H : High level

L : Low level

X : Immaterial

↑ : Low to high transition

↓ : High to low transition

Note : 1. Q and

Q will remain high as long as preset and clear are low, but Q and Q are unpredictable, if

preset and clear go high simultaneously.