The PIC16F54-I/SO is a baseline PIC16 family 8-bit powerful (200 nanosecond instruction execution) yet easy-to-program CMOS flash based Microcontroller packs powerful PIC?(RISC) architecture. This product utilize a 12-bit program word and provide the right amount of features including 0.75kB of addressable program memory size, 25bytes of data memory size and 12 general-purpose I/O pins. This device operates at a maximum frequency of 20MHz with wide operating voltage of 2 to 5.5V.