74VHC02 查看數據表（PDF） - STMicroelectronics

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74VHC02

QUAD 2-INPUT NOR GATE

STMicroelectronics 

TEST CIRCUIT

74VHC02

CL =15/ 50pF or equivalent (includes jig and probe capacitance)

RT = ZOUT of pulse generator (typically 50Ω)

WAVEFORM: PROPAGATION DELAYS (f=1MHz; 50% duty cycle)

5/8

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