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CD54HC251 - 8-Input Multiplexer

Datasheet Summary

Description

The ’HC251 and ’HCT251 are 8-channel digital multiplexers with three-state outputs, fabricated with high-speed silicongate CMOS technology.

Together with the low power consumption of standard CMOS integrated circuits, they possess the ability to drive 10 LSTTL loads.

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.
  • Signi.

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Datasheet Details

Part number CD54HC251
Manufacturer Texas Instruments
File Size 0.98 MB
Description 8-Input Multiplexer
Datasheet download datasheet CD54HC251 Datasheet
Additional preview pages of the CD54HC251 datasheet.

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Full PDF Text Transcription

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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 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.
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