TLF6499

June 1989

5409DM7409 Quad 2-Input AND Gates

with Open-Collector Outputs

General Description

This device contains four independent gates each of which

performs the logic AND function The open-collector out-

puts require external pull-up resistors for proper logical op-

eration

Pull-Up Resistor Equations

outputs tied to pull-up resistor

inputs tied to pull-up resistor

inputs tied to pull-up resistor

Connection Diagram

Dual-In-Line Package

TLF6499 – 1

Order Number 5409DMQB 5409FMQB or DM7409N

See NS Package Number J14A N14A or W14B

Function Table

Inputs

Output

AB

Y

LL

L

LH

L

HL

L

HH

H

C1995 National Semiconductor Corporation

RRD-B30M105Printed in U S A