CDx4AC373, CDx4ACT373 Octal Transparent Latch, 3-State

1 Features

• SCR-Latchup-resistant CMOS process and circuit

design

• Speed of bipolar FAST*/AS/S with significantly

reduced power consumption

• Balanced propagation delays

• AC types feature 1.5V to 5.5V operation and

balanced noise immunity at 30% of the supply

• ±24mA output drive current

– Fanout to 15 FAST* ICs

– qDrives 50ohm transmission lines

2 Description

The RCA-CDx4AC373 and the CDx4ACT373 octal

transparent 3-state latches use the RCA Advanced

CMOS technology.

Device Information

PART NUMBER

PACKAGE(1)

PACKAGE SIZE(2)

BODY SIZE(3)

CDx4AC/ACT373

DW (SOIC, 20)

12.80mm × 10.3mm

12.80mm × 7.50mm

N (PDIP, 20)

24.33mm × 9.4mm

24.33mm × 6.35mm

(1)

For all available packages, see the orderable addendum at

the end of the data sheet.

(2)

The package size (length × width) is a nominal value and

includes pins, where applicable.

(3)

The body size (length × width) is a nominal value and does

not include pins.

Logic Diagram (Positive Logic)

*FAST is a Registered Trademark of Fairchild Semiconductor Corp.

CD54AC373, CD74AC373, CD54ACT373, CD74ACT373

SCHS289A – DECEMBER 1998 – REVISED MAY 2024

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION

DATA.