Description
These devices are positive edge triggered flip-flops.
The difference between HD74HC374 and HD74HC534 is only that the former is a true outputs and the latter is a false outputs.
Features
- High Speed Operation: tpd (Clock to Q) = 18 ns typ (CL = 50 pF) High Output Current: Fanout of 15 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)
Function Table
Output Control L L L H X : Z : L X Clock D H L X X HD74HC374 Q H L No change Z HD74HC534 Q L H No change Z
irrelevant off (high-impedance) state of a 3-state output. HD74HC374/HD74HC534
Pin.
HD74HC374 Datasheet
