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74HC123-Q100 - Dual retriggerable monostable multivibrator

General Description

The 74HC123-Q100; 74HCT123-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 6.0 V.
  • CMOS low power dissipation.
  • High noise immunity.
  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
  • Complies with JEDEC standards:.
  • JESD8C (2.7 V to 3.6 V).
  • JESD7A (2.0 V to 6.0 V).
  • Input levels:.
  • For 74HC1.

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Datasheet Details

Part number 74HC123-Q100
Manufacturer Nexperia
File Size 310.33 KB
Description Dual retriggerable monostable multivibrator
Datasheet download datasheet 74HC123-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.

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74HC123-Q100; 74HCT123-Q100 Dual retriggerable monostable multivibrator with reset Rev. 3.1 — 3 September 2020 Product data sheet 1. General description The 74HC123-Q100; 74HCT123-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 include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.