PIC16C72A-20 SP PIC16C72A-20/SO PIC16C72A-20/SP PIC16C72A-20/SS PIC16C72A-20E/SO PIC16C72A-20E/SP PIC16C72A-20E/SS PIC16C72A-20I/ML PIC16C72A-20I/SO PIC16C72A-20I/SP