PIC18F2520-I/SO T PIC18F2520-I/SO4AP PIC18F2520-I/SP PIC18F2520-I/SP Z PIC18F2520-I/SP4AP PIC18F2520-I/SS PIC18F2520IML PIC18F2520-I-SO PIC18F2520T-E/ML PIC18F2520T-E/SO