Microchip PIC16F62/716 Flash-based 8-bit CMOS Microcontrollers - Microchip PIC16F627A-I/SO, 8-Bit CMOS Flash-Based microcontroller, PIC16F6XXX family, 2V to 5.5V supply voltage, 1.75KB flash memory, 128Bytes EEPROM memory, 224Bytes SRAM data memory, 16 I/O pins, 3 timers, 1 PWM channels, 20MHz clock speed, USART, SCI interfaces, 18-SOIC case, the PIC16Fxxx series fits perfectly in applications