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SN74HC27NSSN74HC27DRSN74HC280NSN74HC284N
SN74HC280SN74HC27NSN74HC30DSN74HC30M
集成电路SN74HC27NHD74HC21N芯片
芯片SN74LS20MC74HC30DIP14
栅极逆变器原装HD74HC27P
非门原装SN74HC27N逻辑
栅极逆变器HD74HC27PSN74HC27N
SN74HC32N芯片集成74HC164
正品现货原装SN74HC27N
原装HD74HC27PSN74HC27N芯片
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