HT102/B1A4000 MC74ACT00DR2 DM74LS05SJR1 SG2825CN STB30NF20

丝印MC74LVX00DR2G-MC74LVQ04DTR2-MC74LVC74FPEL-MC74LS688DWR2

贴片直插MC74LS00DR2 MC74HC00ADG MC1OOE195FN MC34268DR2G 5

贴插MC7808CDTT5G MC7805CD2TR4 MC74LCX00DR2 MC74LS273DWR 5

贴片直插MC74LS00DR2 MC74HC00ADG MC68450RC10 MC68605RC12 5

MC74LS273DWR2 MC74LS32DR MC74LVX00DT MC74LVX04DR2原

MC74LCX573DWR2 MC74LCX86DTR2 MC74LS00 MC74LS10DR原

MC74LS02DR2-MC74LS00DR2-MC74LCX86DT-MC74LCX74MG-MC74LCX74DT

新MC74LS00DR2 SN74ALS534N TC74HC138AF SN74ALS257N T