使用74HC244制作，精细工艺。
51系列单片机:
AT89S51,AT89S52,AT89S53,AT89S8252
AVR系列单片机:
ATtiny12,ATtiny13,ATtiny15,ATtiny26,ATtiny2313,ATtiny25,ATtiny45
ATtiny85AT90S2323,AT90S2343,AT90S1200,AT90S2313,AT90S8515
AT90S8535ATmega8,ATmega48,ATmega88,ATmega8515,ATmega162
ATmega163,ATmega16,ATmega164,ATmega165,ATmega168,ATmega169
ATmega32,ATmega324,ATmega325,ATmega3250,ATmega329,ATmega3290
ATmega64,ATmega640,ATmega644,ATmega645ATmega6450,ATmega649
ATmega6490,ATmega128,ATmega1280,ATmega1281ATmega2560,ATmega2561
AT90CAN32,AT90CAN64,AT90CAN128
AT90PWM2,AT90PWM3
