KF8F3131-I — ChipON
8-bit flash MCU, 8KB flash, SOP28, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $0.31
  Mouser       $0.38
  DigiKey      $0.40
  Farnell      $0.43

Manufacturer: https://www.chipon-ic.com