CD74HCT374
Features
- Buffered inputs
- mon three-state output enable control
- Three-state outputs
- Bus line driving capability
- Typical propagation delay (clock to Q) = 15 ns at
VCC = 5 V, CL = 15 p F, TA = 25℃
- Fanout (over temperature range)
- Standard outputs: 10 LSTTL loads
- Bus driver outputs: 15 LSTTL loads
- Wide operating temperature range:
- 55℃ to 125℃
- Balanced propagation delay and transition times
- Significant power reduction pared to LSTTL Logic ICs
- HC types
- 2-V to 6-V operation
- High noise immunity: NIL = 30%, NIH = 30% of
VCC at VCC = 5 V
- HCT types
- 4.5-V to 5.5-V Operation
- Direct LSTTL input logic patibility,
VIL = 0.8 V (max), VIH = 2 V (min)
- CMOS input patibility, II ≤ 1μA at VOL, VOH
2 Description
The ’HC374, ’HCT374, ’HC574, and ’HCT574 are octal D-type flip-flops with 3-state outputs and the capability to drive 15 LSTTL loads. The eight edgetriggered flip-flops enter data into their registers on the LOW to HIGH transition of clock (CP). The output enable...