SN74LS123D 查看數據表（PDF） - ON Semiconductor

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SN74LS123D

Retriggerable monostable multivibrator

ON Semiconductor 

SN74LS122 SN74LS123

B INPUT

WAVEFORMS

RETRIGGER

PULSE (See Application Data)

Q OUTPUT

tW

OUTPUT WITHOUT RETRIGGER

EXTENDING PULSE WIDTH

B INPUT

CLEAR INPUT

CLEAR PULSE

Q OUTPUT

OUTPUT WITHOUT CLEAR PULSE

OVERRIDING THE OUTPUT PULSE

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