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HEF4538B-Q100 - Dual precision monostable multivibrator

General Description

The HEF4538B-Q100 is a dual retriggerable-resettable monostable multivibrator.

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.
  • Tolerant of slow trigger rise and fall times.
  • Fully static operation.
  • 5 V, 10 V, and 15 V parametric ratings.
  • Standardized symmetrical output characteristics.
  • ESD protection:.
  • MIL-STD-883, method 3015 exceeds 2000 V.
  • HBM JESD22-A114F exceeds 2000 V.
  • MM JESD22-A115-A exceeds 20.

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Datasheet Details

Part number HEF4538B-Q100
Manufacturer Nexperia
File Size 229.58 KB
Description Dual precision monostable multivibrator
Datasheet download datasheet HEF4538B-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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HEF4538B-Q100 Dual precision monostable multivibrator Rev. 3 — 19 October 2018 Product data sheet 1. General description The HEF4538B-Q100 is a dual retriggerable-resettable monostable multivibrator. Each multivibrator has an active LOW trigger/retrigger input (nA), an active HIGH trigger/retrigger input (nB), an overriding active LOW direct reset input (nCD), an output (nQ) and its complement (nQ), and two pins (nREXT/CEXT, and nCEXT, always connected to ground) for connecting the external timing components CEXT and REXT. Typical pulse width variation over the specified temperature range is ±0.2 %. The multivibrator may be triggered by either the positive or the negative edges of the input pulse and will produce an accurate output pulse with a pulse width range of 10 μs to infinity.