PIC16F873A-1/SP PIC16F873A-E/ML PIC16F873A-E/SO PIC16F873A-E/SOVAO PIC16F873A-E/SP PIC16F873A-E/SS PIC16F873A-I/ML PIC16F873A-I/S PIC16F873A-I/SO PIC16F873A-I/SO-