© 1999 Fairchild Semiconductor Corporation

DS010903

www.fairchildsemi.com

January 1991

Revised August 1999

74FR573

Octal D-Type Latch with 3-STATE Outputs

General Description

The 74FR573 is a high speed octal latch with buffered

common Latch Enable (LE) and buffered common Output

Enable (OE) inputs.

This device is functionally identical to the 74F573.

Features

s Broadside pinout aids in PC layout

s Functionally identical to the 74F373, 74F573

s Outputs have current sourcing capability of 15 mA and

current sinking capability of 64 mA

s Guaranteed pin-to-pin skew

Ordering Code:

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbol

Connection Diagram

Pin Descriptions

Order Number

Package Number

Package Description

74FR573SC

M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide

74FR573PC

N20A

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Pin Names

Description

OE

Output Enable Input (Active-LOW)

LE

Latch Enable Input (Active-HIGH)

Data Inputs

3-STATE Latch Outputs