74AC163B(1998) 查看數據表（PDF） - STMicroelectronics

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74AC163B
(Rev.:1998)

SYNCHRONOUS PRESETTABLE 4-BIT COUNTER

STMicroelectronics 

74AC163

WAVEFORM 2: PROPAGATION DELAYS CLEAR MODE (f=1MHz; 50% duty cycle)

WAVEFORM 3: PROPAGATION DELAYS PRESET MODE (f=1MHz; 50% duty cycle)

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