CD54HCT541 Datasheet Text
CD54HC540, CD74HC540, CD54HC541, CD74HC541, CD74HCT540, CD54HCT541, CD74HCT541
SCHS189E
- JANUARY 1998
- REVISED OCTOBER 2022
CDx4HC(T)541 High-Speed CMOS Logic Octal Buffer and Line Drivers Three-State
1 Features
- ’HC540, CD74HCT540: inverting
- ’HC541, ’HCT541: non-inverting
- Buffered inputs
- Three-state outputs
- Bus line driving capability
- Typical propagation delay = 9 ns at VCC = 5 V,
CL = 15 pF, 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 ≤ 1 μA at VOL, VOH
2 Description...