PIC16F818-I/MLTSL PIC16F818-I/P PIC16F818-I/PH PIC16F818-I/PTSL PIC16F818-I/S0 PIC16F818-I/SO PIC16F818-I/SOTSL PIC16F818-I/SOTSLVAO PIC16F818-I/SS PIC16F818-I/SSTSL