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74HC元件4066
封装SN74LS136SN74HC164芯片
SN74HC393NSN74HC393DSN74HC4020SN74HC4040
SN74HC245NAPWRTSSOP全新NOPB
SN74HC393NSSN74HC39NSRSN74HC4002NSN74HC4015E
二进制计数器SN74HC393N原装
集成块SN74HC393N原装74HC393N
SN74HC32N芯片集成74HC164
封装SN74HC164SN74LS136芯片
集成块正品SN74HC393N原装
科美集成电路计数器SN74HC393N
二进制正品计数器SN74HC393N
二进制集成电路计数器SN74HC393N
科美云野集成电路计数器
SN74HC393N74HC393DIP14
原厂SN74HC393N原装CNTR
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