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MM74HC4538 - Dual Retriggerable Monostable Multivibrator

Datasheet Summary

Description

The MM74HC4538 high speed monostable multivibrator (one shots) is implemented in advanced silicon-gate CMOS technology.

They feature speeds comparable to low power Schottky TTL circuitry while retaining the low power and high noise immunity characteristic of CMOS circuits.

Features

  • both a negative, A, and a positive, B, transition triggered input, either of which can be used as an inhibit input. Also included is a clear input that when taken low resets the one shot. The MM74HC4538 is retriggerable. That is, it may be triggered repeatedly while their outputs are generating a pulse and the pulse will be extended. Pulse width stability over a wide range of temperature and supply is achieved using linear CMOS techniques. The output pulse equation is simply: PW = 0.7(R)(C) wher.

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Datasheet Details

Part number MM74HC4538
Manufacturer Fairchild
File Size 119.29 KB
Description Dual Retriggerable Monostable Multivibrator
Datasheet download datasheet MM74HC4538 Datasheet
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MM74HC4538 Dual Retriggerable Monostable Multivibrator February 1984 Revised August 2000 MM74HC4538 Dual Retriggerable Monostable Multivibrator General Description The MM74HC4538 high speed monostable multivibrator (one shots) is implemented in advanced silicon-gate CMOS technology. They feature speeds comparable to low power Schottky TTL circuitry while retaining the low power and high noise immunity characteristic of CMOS circuits. Each multivibrator features both a negative, A, and a positive, B, transition triggered input, either of which can be used as an inhibit input. Also included is a clear input that when taken low resets the one shot. The MM74HC4538 is retriggerable.
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