© 1999 Fairchild Semiconductor Corporation

DS009918

www.fairchildsemi.com

November 1988

Revised November 1999

74AC20

Dual 4-Input NAND Gate

General Description

The AC20 contains four 4-input NAND gates.

Features

s Outputs source/sink 24 mA

Ordering Code:

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

Logic Symbol

IEEE/IEC

Connection Diagram

Pin Descriptions

FACT

 is a trademark of Fairchild Semiconductor Corporation.

Order Number

Package Number

Package Description

74AC20SC

M14A

14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow Body

74AC20SJ

M14D

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

74AC20MTC

MTC14

14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

74AC20PC

N14A

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

Pin Names

Description

Inputs

Outputs