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全新SN74LS123DR2 SN74LS123DR& SN74LS122NSR SN74LS122DR2
贴片直插SN74LS123DR2G，SN74LS109AML1，SN74LS122ML1G，4
贴片直插SN74LS123MR1，SN74LS10ML1G，SN74LS123DR2，4
贴插MALH390YGLS0-DDTC123JLP-7-SN74LS123DR2-B
贴片直插SN74LS123DG/SN74LS10DR2/SN74LS05ML2/SN74LS08MR1/4
贴片直插SN74LS123MR1G，SN74LS122DR2G，SN74LS123MELG，4
SN74LS123DR双2到4线路解码器
振荡器 HEF4538BT MC14538BDR2G SN74LS123DR
