DATA SHEET

www.onsemi.com

© Semiconductor Components Industries, LLC, 1988

February, 2022 − Rev. 2

1

Publication Order Number:

74ACT244/D

Octal Buffer/Line Driver with

3-STATE Outputs

74AC244, 74ACT244

General Description

The AC/ACT244 is an octal buffer and line driver designed to be

employed as a memory address driver, clock driver and bus−oriented

transmitter/receiver which provides improved PC board density.

Features

Registers

Figure 1. Connection Diagram

GND

Figure 2. Logic Symbol

IEEE/IEC

SOIC−20 WB

CASE 751D−05

MARKING DIAGRAMS

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 6 of this data sheet.

AC(T)244

AWLYYWWG

AC244, ACT244

= Specific Device Code

A

= Assembly Location

WL

= Wafer Lot

YY

= Year

WW

= Work Week

G

= Pb−Free Package

TSSOP−20 WB

CASE 948E

(Note: Microdot may be in either location)

SOIC−20

TSSOP−20

20

1

AC(T)

244

ALYWG

G

AC244, ACT244

= Specific Device Code

A

= Assembly Location

L

= Wafer Lot

Y

= Year

W

= Work Week

G

= Pb−Free Package

SOIC−20, 300 mils

CASE 751BJ−01

TSSOP20, 4.4 x 6.5

CASE 948AQ−01