74HC240
Features
- HC/HCT240 Inverting
- HC/HCT241 Non-inverting
- HC/HCT244 Non-inverting
- Typical propagation delay = 8ns at VCC = 5 V,
CL = 15 p F, TA = 25℃ for HC240
- Three-state outputs
- Buffered inputs
- High-current bus driver outputs
- 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 ’HC240 and ’HCT240 are inverting three-state buffers having two active-low output enables. The CD74HC241, ’HCT241, ’HC244 and ’HCT244 are non-inverting three-state buffers that differ only in that the 241 has one active-high...
