PIC16F874A-1/PT PIC16F874A-E/L PIC16F874A-E/ML PIC16F874A-E/P PIC16F874A-E/PT PIC16F874A-I/L PIC16F874A-I/ML PIC16F874A-I/P PIC16F874A-I/PT PIC16F874A-I/PTH