ADC0838CCWM AP9620M 5434-0158 SN74LS241J NTGS3446T1G

新MS9300-CBZ PC87310DVF DM74LS379M SN74AC241N R

新DM74LS139M SN74AC11NS SVM7860CSQ LSP241JC20 T

新SN74LS377J SMET-412DT SN74LS241M SN74LS612N R

CD74FCT244M SN74LVC373ADW SN74ABT241ADW SN74LS541DWR

原装ULN3718M SN75189AN SN74S241N SN74LS06N