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74LV123 - Dual retriggerable monostable multivibrator

Description

The 74LV123 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).

Features

  • Wide supply voltage range from 1.0 V to 5.5 V.
  • CMOS low power dissipation.
  • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
  • Optimized for low-voltage.

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Datasheet Details

Part number 74LV123
Manufacturer Nexperia
File Size 306.17 KB
Description Dual retriggerable monostable multivibrator
Datasheet download datasheet 74LV123 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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74LV123 Dual retriggerable monostable multivibrator with reset Rev. 9 — 13 September 2021 Product data sheet 1. General description The 74LV123 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. Control inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess VCC.
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