74HC4538 Просмотр технического описания (PDF) - NXP Semiconductors.

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производитель

74HC4538

Dual retriggerable precision monostable multivibrator

NXP Semiconductors. 

NXP Semiconductors

74HC4538; 74HCT4538

Dual retriggerable precision monostable multivibrator

VI

nCD input

VM

GND

tW

trec

tW

VI

nA input

VM

GND

tW

VI

nB input

VM

GND

VOH

trtrig

nQ, nQ output

VM

VOL

tW

001aak195

Fig 8.

Measurement points are given in Table 8.

Logic levels: VOL and VOH are typical output levels that occur with the output load.

Waveforms showing nA, nB, nQ, nQ pulse widths, recovery and retrigger times

Table 8. Measurement points

Type

Input

74HC4538

74HCT4538

VM

0.5VCC

1.3 V

Output

VM

0.5VCC

1.3 V

VX

0.1VCC

0.1VCC

VY

0.9VCC

0.9VCC

74HC_HCT4538_3

Product data sheet

Rev. 03 — 8 June 2009

© NXP B.V. 2009. All rights reserved.

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