Microchip pic16f8 flash microcontrollers microchip pic16f819 iml the microchip pic16f819 iml 8 bit microcontroller is a powerful yet easy to program cmos flash based 8 bit microcontroller the device has only 35 single word instructions with a 200ns instruction cycle operating speed is a faster 20mhz and with a comparator 128 bytes of eeprom data memory this device ideal for education industrial appliances and consumer entry level product applications that require field re programmab