Texas Instruments CD54HC251
The ’HC251 and ’HCT251 are 8-channel digital multiplexers with three-state outputs, fabricated with high-speed silicongate CMOS technology. The three-state feature makes them ideally suited for interfacing with bus lines in a busoriented system.| Part No. | CD54HC251 |
|---|---|
| Datasheet | CD54HC251 Download |
| Manufacturer |  Texas Instruments |
| Description | 8-Input Multiplexer |
| Buy | Stock & Price |
FEATURES
● Selects one of eight binary data inputs● Three-state output capability
● True and complement 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 compared to LSTTL logic ICs
● Alternate source is Philips
● 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 compatibility, VIL = 0.8 V (Max), VIH = 2 V (Min) – CMOS input compatibility, II ≤ 1 μA at VOL, VOH OE S0 S1 S2 2
DESCRIPTION
Together with the low power consumption of standard CMOS integrated circuits, they possess the ability to drive 10 LSTTL loads. PART NUMBER CD54HC251F CD54HCT251F CD74HC251M CD74HCT251M CD74HC251E CD74HCT25...
