全新74LS628NSR 74LS624NSR 74ls623NSR 74LS595NSR 74LS592NSR

SN74AS760NSR SN74ALS563BNSR SN74LS642NSR SN74HC623NSR

全新原装正品SN74LS623NSR SOP-20逻辑 74LS623NSR 74LS623

SN74LS623NSR【IC TXRX NON-INVERT 5.25V 20SO】

全新原装 SN74LS624D SN74LS623NSRG4 SN74LS623NSRE4/74LS623NSR

逻辑芯片SN74LS623NSR SN74LS623 sn74ls623nsr SOP-20

SN74LS612N(S623DW S627N S629DR S629NSR S646DWR S648NT

SN74LS597N(S598N S623NG4 S628NSR S629NE4 S629NS