CDx4AC245, CDx4ACT245 Octal-Bus Transceiver, Three-State, Non-Inverting

1 Features

• Buffered inputs

• Typical propagation delay

– 4ns at VCC = 5V, TA = 25°C, CL = 50pF

• 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

– Drives 50Ω transmission line

2 Description

The 'AC245 and 'ACT245 are octal-bus transceivers

that utilize Advanced CMOS Logic technology.

Device Information

PART NUMBER

PACKAGE(1)

PACKAGE SIZE(2)

BODY SIZE(3)

CD74AC245/

CD74ACT245

N (PDIP, 20)

24.33mm × 9.4mm

24.33mm × 6.35mm

DW (SOIC, 20)

12.80mm × 10.3mm

12.80mm × 7.50mm

CD54AC245/

CD54ACT245

J (CDIP, 20)

24.2mm × 7.62mm

24.2mm × 6.92mm

CD74ACT245

DB (SSOP, 20)

7.2mm × 7.8mm

7.2mm × 5.3mm

(1)

For more information, see Section 10.

(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)

CD54AC245, CD74AC245, CD54ACT245, CD74ACT245

SCHS245D – NOVEMBER 1998 – REVISED APRIL 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.