PIC16F877-I/PL PIC16F877-I/PT PIC16F877T-04/L PIC16F877T-04/PQ PIC16F877T-04/PT PIC16F877T-04E/L PIC16F877T-04E/PQ PIC16F877T-04E/PT PIC16F877T-04I/L PIC16F877T-04I/PQ