54FCT244

General Description

The ’FCT244 is an octal buffer and line driver with

TRI-STATE outputs designed to be employed as a memory

and address driver, clock driver, or bus-oriented transmitter/

receiver.

Features

n Non-inverting buffers

n Output sink capability of 48 mA, source capability of

12 mA

n TRI-STATE outputs drive lines or buffer memory address

registers

n TTL input and output level compatible

n CMOS power consumption

n Standard Microcircuit Drawing (SMD) 5962-8763001

Ordering Code

Military

Package

Package Description

Number

54FCT244DMQB

J20A

20-Lead Ceramic Dual-In-Line

54FCT244FMQB

W20A

20-Lead Cerpack

54FCT244LMQB

E20A

20-Lead Ceramic Leadless Chip Carrier, Type C

Connection Diagrams

Pin

Names

Description

OE

Output Enable Input

(Active Low)

I

Inputs

O

Outputs

OE

1

I

0–3

O

0–3

OE

2

I

4–7

O

4–7

HX

Z

H

X

Z

L

H

HLH

H

L

L

LLL

L

H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial

Z = High Impedance

Pin Assignment for

DIP and Flatpak

DS100967-1

Pin Assignment for LCC

DS100967-2

September 1998

© 1999 National Semiconductor Corporation

DS100967

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