MC74VHC595 查看數據表（PDF） - ON Semiconductor

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MC74VHC595

8-Bit Shift Register with Output Storage Register (3-State)

ON Semiconductor 

MC74VHC595

TIMING DIAGRAM

SCK

SI

SCLR

RCK

OE

QA

QB

QC

QD

QE

QF

QG

QH

SQH

NOTE:

output is in a high--impedance state.

INPUT EQUIVALENT CIRCUIT

INPUT

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