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74HCT123 - High-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators

Download the 74HCT123 datasheet PDF. This datasheet also covers the 74HC123 variant, as both devices belong to the same high-speed cmos logic dual retriggerable monostable multivibrators family and are provided as variant models within a single manufacturer datasheet.

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 feature.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (74HC123-etcTI.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number 74HCT123
Manufacturer Texas Instruments
File Size 785.31 KB
Description High-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators
Datasheet download datasheet 74HCT123 Datasheet

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Other Datasheets by Texas Instruments

Part Number Description
74HCT137 High-Speed CMOS Logic 3 to 8-Line Decoder/Demultiplexer
74HCT147 High-Speed CMOS Logic
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74HCT166 High-Speed CMOS Logic 8-Bit Parallel-In/Serial-Out Shift Register

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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 Resets [ /Title (CD74 HC123 , CD74 HCT12 3, CD74 HC423 , CD74 HCT42 3) /Subject (High Speed 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 . . .