M74HC27 查看數據表（PDF） - STMicroelectronics

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M74HC27

TRIPLE 3-INPUT NOR GATE

STMicroelectronics 

M74HC27

TEST CIRCUIT

roduct(s) CL = 50pF or equivalent (includes jig and probe capacitance)

RT = ZOUT of pulse generator (typically 50Ω)

Obsolete Product(s) - Obsolete P WAVEFORM : PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle)

4/8

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