© 2000 Fairchild Semiconductor Corporation

DS006175

www.fairchildsemi.com

September 1986

Revised February 2000

DM74ALS02

Quad 2-Input NOR Gate

General Description

This device contains four independent gates, each of which

performs the logic NOR function.

Features

s Switching specifications at 50 pF

s Switching specifications guaranteed over full tempera-

s Advanced oxide-isolated, ion-implanted Schottky TTL

process

s Functionally and pin for pin compatible with Schottky

and low power Schottky TTL counterpart

s Improved AC performance over Schottky and low power

Schottky counterparts

Ordering Code:

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Function Table

H

= HIGH Logic Level

L

= LOW Logic Level

Order Number

Package Number

Package Description

DM74ALS02M

M14A

14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow

DM74ALS02SJ

M14D

14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

DM74ALS02N

N14A

14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Y

= A + B

Inputs

Output

AB

Y

LL

H

LH

L

HL

L

HH

L