BUY AN6913 https://www.utsource.net/itm/p/954991.html
Dual Comparators
Package: SIP9, PAN Description: AN6913 is a high-performance, low-power, low-voltage, CMOS, single-chip 8-bit microcontroller. Features: 8-bit CMOS microcontroller Low-power, low-voltage operation On-chip oscillator On-chip voltage regulator On-chip flash memory On-chip RAM On-chip I/O ports On-chip analog-to-digital converter On-chip serial interface On-chip timer On-chip watchdog timer On-chip interrupt controller On-chip power-on reset On-chip clock generator On-chip voltage monitor Applications: Automotive Industrial control Home appliances Office automation Security systems Medical equipment Consumer electronics (For reference only)