PIC16C54AT-04E/SO

8-bit RISC microcontroller featuring an 8-bit data bus, 4 MHz clock speed, and a maximum operating frequency of 40 MHz. This surface mount device utilizes EPROM/OTP memory with 512B capacity and 25B RAM. Operating from a 4.5V to 5.5V supply, it includes a watchdog timer and POR peripheral, with an external oscillator type. Packaged in an 18-pin SOIC (SO-18) with a 0.300-inch body, it supports 12 programmable I/O pins and operates within a temperature range of -40°C to 125°C.