NSC 5962-8765501SA, 5962-8765501RA, 5962-87655012A, 54FCT240MW8, 54FCT240MDA Datasheet

54FCT240
Octal Buffer/Line Driver with TRI-STATE

®

Outputs

General Description

The 54FCT240 is an octal buffer and line driver designed to
be employed as a memory address driver, clock driver and
bus orientedtransmitter or receiver which provides improved
PC board density.

Features

n Inverting TRI-STATE outputs drive bus lines or buffer

memory address registers

n Output sink capability of 32 mA, source capability of 12

mA

n TTL input and output compatible levels
n CMOS power consumption
n Standard Microcircuit Drawing (SMD) 5962-8765501

Ordering Code:

Military Package Package Description

Number

54FCT240DMQB J20A 20-Lead Ceramic Dual-In-Line
54FCT240FMQB W20A 20-Lead Cerpak
54FCT240LMQB E20A 20-Lead Ceramic Leadless Chip Carrier, Type C

Logic Symbol

Pin Names Description

OE

1

,OE

2

TRI-STATE Output Enable Inputs

I

0–I7

Inputs

O

0–O7

Outputs

Connection Diagrams

TRI-STATE®is a registered trademark of National Semiconductor Corporation.
FACT

®

is a registered trademark of Fairchild Semiconductor Corporation.

IEEE/IEC

DS100955-1

Pin Assignment

for DIP and Flatpak

DS100955-2

Pin Assignment

for LCC

DS100955-3

August 1998

54FCT240 Octal Buffer/Line Driver with TRI-STATE Outputs

© 1999 National Semiconductor Corporation DS100955 www.national.com

Connection Diagrams (Continued)

Inputs Outputs

OE

1

I

n

(Pins 12, 14, 16, 18)

LL H
LH L
HX Z

Inputs Outputs

OE

2

I

n

(Pins 3, 5, 7, 9)

LL H
LH L
HX Z

H

=

HIGH Voltage Level
L=LOW Voltage Level
X=Immaterial
Z=High Impedance

54FCT240

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