PIC16F874-10E/L PIC16F874-10E/P PIC16F874-10E/PQ PIC16F874-10E/PT PIC16F874-20/L PIC16F874-20/P PIC16F874-20/PQ PIC16F874-20/PT PIC16F874-20/PT-G PIC16F874-20I/L