M74HCT648B1R 查看數據表（PDF） - STMicroelectronics

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M74HCT648B1R

OCTAL BUS TRANSCEIVER/REGISTER WITH 3 STATE OUTPUTS (INVERTING)

STMicroelectronics 

M74HC648

WAVEFORM 2 : CLOCK AB, BA MINIMUM PULSE WIDTH, PROPAGATION DELAY TIME (f=1MHz;

50% duty cycle)

WAVEFORM 3 : A, B TO CLOCK MINIMUM SETUP AND HOLD TIME (f=1MHz; 50% duty cycle)

8/15

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