丝印M74HC123B1 M74HC123AM M74HC11TTR M74HC11M1R M74HC11B1R

丝印M74HC123P M74HC11F1 M74HC11B1 M74HC10B1 M74HC109M

M570F11NCA M570ZM6NJA M5I422IA-4 M66291GP-2 M74HC74B1R 芯片

H11A5VM SN74AUC1G79DCKRG4 M74HC390B1 TEF6892H/V2/N原装

M11B416256A M74HC164B1R MC14052BDR2 MC14069UBCP原装