© Semiconductor Components Industries, LLC, 2005

July, 2005 − Rev. 12

1

Publication Order Number:

MC74HC373A/D

MC74HC373A

Octal 3−State Non−Inverting

Transparent Latch

High−Performance Silicon−Gate CMOS

The MC74HC373A 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

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

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

http://onsemi.com

MARKING

DIAGRAMS

A

= Assembly Location

WL, L

= Wafer Lot

YY, Y

= Year

WW, W

= Work Week

G

= Pb−Free Package

G

= Pb−Free Package

(Note: Microdot may be in either location)

See detailed ordering and shipping information in the package

dimensions section on page 3 of this data sheet.

ORDERING INFORMATION

20

1

1

20

SOIC−20

DW SUFFIX

CASE 751D

74HC373A

AWLYYWWG

HC

373A

ALYW

G

G

TSSOP−20

DT SUFFIX

CASE 948E

SOEIAJ−20

F SUFFIX

CASE 967

74HC373A

AWLYWWG

1

1

1

20

1

20

20

20

PDIP−20

N SUFFIX

CASE 738

1

20

MC74HC373AN

AWLYYWWG

1

20