74HCT4538DB 查看數據表（PDF） - Philips Electronics
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74HCT4538DB Datasheet PDF : 14 Pages
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Philips Semiconductors
Dual retriggerable precision monostable
multivibrator
nA1
nA0
power - on reset
VCC
VCC
nRC TC
nC TC
GND
nR D
Vref1
enable
V ref2
enable
Product specification
74HC/HCT4538
nQ
nQ
MBA338
Fig.7 Logic diagram (Vref1 and Vref2 are internal reference voltages).
September 1993
5
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