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HEF4047B - Monostable/astable multivibrator

Description

The HEF4047B is a retriggerable astable multivibrator that can be configured as either a positive-edge or negative-edge triggered monostable multivibrator.

The output pulse width is programmed by selection of external components (Rt and Ct).

Inputs include clamp diodes.

Features

  • 2.1 General.
  • Monostable (one-shot) or astable (free-running) operation.
  • True and complemented buffered outputs.
  • Only one external resistor and capacitor required 2.2 Monostable multivibrator.
  • Positive- or negative-edge triggering.
  • Output pulse width independent of trigger pulse duration.
  • Retriggerable option for pulse-width expansion.
  • Long pulse width possible using small RC components with external counter provision.
  • Fast.

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Datasheet Details

Part number HEF4047B
Manufacturer nexperia
File Size 262.91 KB
Description Monostable/astable multivibrator
Datasheet download datasheet HEF4047B Datasheet

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Full PDF Text Transcription

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HEF4047B Monostable/astable multivibrator Rev. 6 — 17 March 2017 Product data sheet 1 General description The HEF4047B is a retriggerable astable multivibrator that can be configured as either a positive-edge or negative-edge triggered monostable multivibrator. The output pulse width is programmed by selection of external components (Rt and Ct). Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC. 2 Features and benefits 2.1 General • Monostable (one-shot) or astable (free-running) operation • True and complemented buffered outputs • Only one external resistor and capacitor required 2.
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