1 Features

Type Features

• Buffered inputs

• Typical propagation delay:

6ns @ V CC = 5V, T A = 25°C, C L = 50pF

Family 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

– Drives 50ohm transmission lines

2 Description

The RCA CDx4AC299 and CD74AC323 and the

CDx4ACT299 are 3-state, 8-input universal shift/

storage registers with common parallel I/O pins.