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74HC123 Datasheet High-speed CMOS Logic Dual Retriggerable Monostable Multivibrators

Manufacturer: Texas Instruments

Overview: Data sheet acquired from Harris Semiconductor SCHS142F September 1997 - Revised October 2003 CD54/74HC123, CD54/74HCT123, CD74HC423, CD74HCT423 High-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with.

Datasheet Details

Part number 74HC123
Manufacturer Texas Instruments
File Size 785.31 KB
Description High-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators
Datasheet 74HC123-etcTI.pdf

General Description

The ’HC123, ’HCT123, CD74HC423 and CD74HCT423 are dual monostable multivibrators with resets.

They are all retriggerable and differ only in that the 123 types can be triggered by a negative to positive reset pulse;

whereas the 423 types do not have this

Key Features

  • Overriding Reset Terminates Output Pulse.
  • Triggering From the Leading or Trailing Edge.
  • Q and Q Buffered Outputs.
  • Separate Resets.
  • Wide Range of Output-Pulse Widths.
  • Schmitt Trigger on Both A and B Inputs.
  • Fanout (Over Temperature Range) - Standard Outputs.
  • 10 LSTTL Loads - Bus Driver Outputs.
  • . . . 15 LSTTL Loads.
  • Wide Operating Temperature Range . . . -55oC to 125oC.
  • Bal.

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