PIC16F84A-04I/SO PIC16F84A-04I/SS PIC16F84A-20 PIC16F84A-20/P PIC16F84A-20/SO PIC16F84A-20/SOH PIC16F84A-20/SS PIC16F84A-20E/P PIC16F84A-20E/SO PIC16F84A-20E/SS