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74HC4538D - Dual retriggerable precision monostable multivibrator

This page provides the datasheet information for the 74HC4538D, a member of the 74HC4538 Dual retriggerable precision monostable multivibrator family.

Description

The 74HC4538 is a dual retriggerable-resettable monostable multivibrator.

Features

  • Wide supply voltage range from 2.0 to 6.0 V.
  • CMOS low power dissipation.
  • CMOS input levels.
  • High noise immunity.
  • Tolerant of slow trigger rise and fall times.
  • Separate reset inputs.
  • Triggering from falling or rising edge.
  • 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).
  • ESD protection:.

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Datasheet preview – 74HC4538D

Datasheet Details

Part number 74HC4538D
Manufacturer nexperia
File Size 289.12 KB
Description Dual retriggerable precision monostable multivibrator
Datasheet download datasheet 74HC4538D Datasheet
Additional preview pages of the 74HC4538D datasheet.

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Full PDF Text Transcription

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74HC4538 Dual retriggerable precision monostable multivibrator Rev. 6 — 16 July 2021 Product data sheet 1. General description The 74HC4538 is a dual retriggerable-resettable monostable multivibrator. Each multivibrator has two trigger/retrigger inputs (nA and nB), a direct reset input (nCD), two complementary outputs (nQ and nQ), and two pins (nREXT/CEXT and nCEXT) for connecting the external timing components CEXT and REXT. Typical pulse width variation over temperature range is ± 0.2 %. The device may be triggered by either the positive or the negative edges of the input pulse. The duration and accuracy of the output pulse are determined by the external timing components CEXT and REXT. The output pulse width (TW) is equal to 0.7 × REXT × CEXT.
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