1 Features

• SCR-Latch-up-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 eight flip-flops of the ’AC374 devices are D-type

edge-triggered flip-flops. On the positive transition of

the clock (CLK) input, the Q outputs are set to the

logic levels set up at the data (D) inputs.