© Semiconductor Components Industries, LLC, 2005

September, 2005 − Rev. 7

1

Publication Order Number:

MC74AC573/D

MC74AC573, MC74ACT573

Octal Buffer/Line Driver

with 3−State Outputs

The MC74AC573/74ACT573 is a high−speed octal latch with

buffered common Latch Enable (LE) and buffered common Output

Enable (OE) inputs.

The MC74AC573/74ACT573 is functionally identical to the

MC74AC373/74ACT373 but has inputs and outputs on opposite sides.

Features

Interface with Microprocessors

Figure 1. Pinout 20−Lead Packages Conductors

(Top View)

19

20

18

17

16

15

14

2

1

3456

7

13

8

12

9

11

10

LE

OE

GND

PIN ASSIGNMENT

PIN

FUNCTION

Data Inputs

LE

Latch Enable Input

OE

3−State Output Enable Input

3−State Latch Outputs

Figure 2. Logic Symbol

LE

OE

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

1

20

PDIP−20

N SUFFIX

CASE 738

1

20

1

20

1

20

SO−20

DW SUFFIX

CASE 751D

TSSOP−20

DT SUFFIX

CASE 948E

EIAJ−20

M SUFFIX

CASE 967

http://onsemi.com

See detailed ordering and shipping information in the package

dimensions section on page 8 of this data sheet.

ORDERING INFORMATION

MC74xxx573N

AWLYYWWG

xxx573

AWLYYWWG

xxx

573

ALYW

G

G

74xxx573

AWLYWWG

xxx

= AC or ACT

A

= Assembly Location

WL, L

= Wafer Lot

YY, Y

= Year

WW, W = Work Week

G or

G = Pb−Free Package

(Note: Microdot may be in either location)

MARKING

DIAGRAM