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CD54HCT423 - Dual Retriggerable Monostable Multivibrators

Download the CD54HCT423 datasheet PDF. This datasheet also includes the CD54HC423 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (CD54HC423-etcTI.pdf) that lists specifications for multiple related part numbers.

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

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.

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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