PIC16F819-E/SS PIC16F819-E/SSVAO PIC16F819-I/ML PIC16F819-I/MLTSL PIC16F819-I/P PIC16F819-I/P- PIC16F819-I/PH PIC16F819-I/PTSL PIC16F819-I/SO PIC16F819-I/SOG