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74AHCT123A-Q100 - Dual retriggerable monostable multivibrator

Download the 74AHCT123A-Q100 datasheet PDF. This datasheet also covers the 74AHC123A-Q100 variant, as both devices belong to the same dual retriggerable monostable multivibrator family and are provided as variant models within a single manufacturer datasheet.

General Description

The 74AHC123A-Q100; 74AHCT123A-Q100 is a dual retriggerable monostable multivibrator with reset.

The basic output pulse width is programmed by selection of external components (REXT and CEXT).

Key Features

  • Automotive product qualification in accordance with AEC-Q100 (Grade 1).
  • Specified from -40 °C to +85 °C and from -40 °C to +125 °C.
  • Wide supply voltage range from 2.0 V to 5.5 V.
  • DC triggered from active HIGH or active LOW inputs.
  • Retriggerable for very long pulses up to 100 % duty factor.
  • Direct reset terminates output pulse.
  • Overvoltage tolerant inputs to 5.5 V.
  • All inputs have a Schmitt-trigger action.
  • High nois.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (74AHC123A-Q100-nexperia.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number 74AHCT123A-Q100
Manufacturer Nexperia
File Size 298.48 KB
Description Dual retriggerable monostable multivibrator
Datasheet download datasheet 74AHCT123A-Q100 Datasheet

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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
74AHC123A-Q100; 74AHCT123A-Q100 Dual retriggerable monostable multivibrator with reset Rev. 2 — 17 June 2020 Product data sheet 1. General description The 74AHC123A-Q100; 74AHCT123A-Q100 is a dual retriggerable monostable multivibrator with reset. The basic output pulse width is programmed by selection of external components (REXT and CEXT). Once triggered this basic pulse width may be extended by retriggering either of the edge triggered inputs (nA or (nB). By repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) can be made as long as desired. Alternatively, an output delay can be terminated at any time by a LOW-going edge on input nRD. Inputs are overvoltage tolerant. This feature allows the use of these devices as translators in mixed voltage environments.