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SN74HC623DW/SN74HC623DWR/SN74HC623N
SN74HC623DW SN74HC623DWR SN74HC623N
全新SN74HC623DWR SN74HC595PWR SN74HC595NSR SN74HC595DWR
全新原装 SN74HC623DWRG4 SN74HC623DWRE4 SN74HC623DWR/HC623DW
收发器SN74HC623DWR SN74HC623 sn74hc623dwr SOP-20
SN74HC623NSR/SN74HC640DW/SN74HC640DWR
SN74HC623NSR SN74HC640DW SN74HC640DWR
全新SN74HC640NG4 SN74HC640MDW SN74HC640DWR SN74HC623NSR