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74HC4538D Datasheet Dual retriggerable precision monostable multivibrator

Manufacturer: Nexperia

Overview: 74HC4538 Dual retriggerable precision monostable multivibrator Rev. 6 — 16 July 2021 Product data sheet 1.

Download the 74HC4538D datasheet PDF. This datasheet also includes the 74HC4538 variant, as both parts are published together in a single manufacturer document.

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Datasheet Details

Part number 74HC4538D
Manufacturer Nexperia
File Size 289.12 KB
Description Dual retriggerable precision monostable multivibrator
Download 74HC4538D Download (PDF)

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 %.

Key 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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