KF8F2131R — ChipON
8-bit flash MCU, 8KB flash, SOP20, tape & reel, 2500 pcs

Category: MCU

Pricing
  LCSC         $0.24
  Mouser       $0.31
  DigiKey      $0.32
  Farnell      $0.36

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