PIC16LF874AT-I/ML PIC16LF77T-I/ML PIC18LF4539T-I/PT PIC18LF2539T-I/SO PIC18F4539T-I/ML PIC18LF4220T-I/ML PIC18LF2439T-I/SO PIC18F4439T-I/PT PIC18F2539T-I/SO PIC18F4320T-I/ML PIC18F442-E/ML PIC18LF4439T-I/PT PIC18LF4320T-I/ML PIC18LF442T-I/ML PIC18F452T-I/ML PIC18F452T-E/ML PIC18LF4539T-I/ML PIC18F4220T-I/ML PIC18F442T-E/ML PIC18F4539T-I/PT