© Semiconductor Components Industries, LLC, 2007

March, 2007 − Rev. 0

1

Publication Order Number:

74HC373/D

74HC373

Octal 3−State Non−Inverting

Transparent Latch

High−Performance Silicon−Gate CMOS

The 74HC373 is identical in pinout to the LS373. The device inputs

are compatible with standard CMOS outputs; with pullup resistors,

they are compatible with LSTTL outputs.

These latches appear transparent to data (i.e., the outputs change

asynchronously) when Latch Enable is high. When Latch Enable goes

low, data meeting the setup and hold time becomes latched.

The Output Enable input does not affect the state of the latches, but

when Output Enable is high, all device outputs are forced to the

high−impedance state. Thus, data may be latched even when the

outputs are not enabled.

The HC373A is identical in function to the HC573A which has the

data inputs on the opposite side of the package from the outputs to

facilitate PC board layout.

The HC373A is the non−inverting version of the HC533A.

Features

http://onsemi.com

MARKING

DIAGRAM

HC373 = Specific Device Code

A

= Assembly Location

L

= Wafer Lot

Y

= Year

W

= Work Week

G

= Pb−Free Package

See detailed ordering and shipping information in the package

dimensions section on page 3 of this data sheet.

ORDERING INFORMATION

1

20

HC

373

ALYW G

G

TSSOP−20

DT SUFFIX

CASE 948E

1

20

(Note: Microdot may be in either location)