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M54HC4538 - DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR

Datasheet Summary

Description

The M54/74HC4538 is a high speed CMOS DUAL MONOSTABLEMULTIVIBRATOR fabricated in silicon gate C2MOS technology.

It has the same high speed performance of LSTTL combined with true CMOS low power consumption.

Features

  • both a negative, A, and a positive, B, edge 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 monostable multivibrators are retriggerable. That is, they may be triggered reapeatedly 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 =.

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Datasheet Details

Part number M54HC4538
Manufacturer STMicroelectronics
File Size 288.93 KB
Description DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
Datasheet download datasheet M54HC4538 Datasheet
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Full PDF Text Transcription

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M54HC4538 M74HC4538 DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR . . . . . . . . HIGH SPEED tPD = 25 ns (TYP.) AT VCC = 5 V LOW POWER DISSIPATION STANDBY STATEICC =4 µA (MAX.) AT TA = 25 °C ACTIVE STATE ICC = 200 µA (TYP.) AT VCC = 5 V HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS BALANCED PROPAGATION DELAYS tPLH = tPHL WIDE OUTPUT PULSE WIDTH RANGE tWOUT = 120 ns ~ 60 s OVER AT VCC = 4.
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