The PIC16C620A-04I/SO is a PIC16 family 8-bit powerful (200 nanosecond instruction execution) yet easy-to-program (only 35 single word instructions) CMOS one-time programmable (OTP) based Microcontroller packs powerful PIC®(RISC) architecture. This product offer all of the advantages of the well recognized mid-range x14 architecture with standardized features including 0.875kB of addressable program memory size, 96bytes of data memory size, 13 general-purpose I/O pins and two comparators. This device operates at a maximum frequency of 4MHz with wide operating voltage of 2.5 to 5.5V.