1 Features
• Buffered inputs
• Typical propagation delay
– 6ns at VCC = 5V, T A = 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 lines

2 Description
The ’AC164 and ’ACT164 are 8-bit serial-in/parallelout
shift registers with asynchronous reset that utilize
Advanced CMOS Logic technology.