The PIC18C252-I/SP is a PIC18 family 8-bit powerful (100 nanosecond instruction execution) yet easy-to-program (only 77 single word instructions) CMOS one-time programmable(OTP) based Microcontroller packs powerful PIC®(RISC) architecture with up to 10 MIPS of processing power. This product offer all of the advantages of the well recognized high-performance x16 architecture with standardized features including 32kB of addressable program memory size, 1536bytes of data memory size and 5-channel 10-bit analog-to-digital (A/D) converter. This device operates at a maximum frequency of 40MHz wide operating voltage of 2.5 to 5.5V.