Datasheet Summary
CD54HC251, CD74HC251, CD54HCT251, CD74HCT251
SCHS169D
- NOVEMBER 1998
- REVISED MARCH 2022
CDx4HC251, CDx4HCT251 High-Speed CMOS Logic 8-Input Multiplexer, Three-State
1 Features
- Selects one of eight binary data inputs
- Three-state output capability
- True and plement outputs
- Typical (data to output) propagation delay of 14 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
- Alternate source is Philips
- HC types
- 2 V to 6 V...