Datasheet Summary
CD54HC4020, CD74HC4020, CD54HCT4020, CD74HCT4020
SCHS201D
- FEBRUARY 1998
- REVISED AUGUST 2022
CDx4HC4020, CDx4HCT4020 CDHigh-Speed CMOS Logic 14-Stage Binary Counter
1 Features
- Fully static operation
- Buffered inputs
- mon reset
- Negative edge clocking
- 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...