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寄存器移位串行并行
封装SN74HC164SN74LS136芯片
SN74HC164DRSN74HC164N164全新
SN74HC166N全新QPWRG74
SN74HC165DSN74HC164PSN74HC165JSN74HC165M
74HCSN138
SN74HC164DSN74HC164ASN74HC164JSN74HC164M
寄存器移位SN74HC164N原装
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