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贴片74HC00N139164
74C151N74C150N74C157N74C161N
全新74C14N74C15174C161
寄存器移位MC74HC595ADR2GHC165AG
贴片芯片74HC595D74HC273M
HC74芯片192
TC74HC165APTC74HC166APTC74HC595APTC74HC42AP
集成电路SN74HC165m74hc259B238E
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