KF8F3133R — ChipON
8-bit flash MCU, 8KB flash, SOP28, tape & reel, 2500 pcs

Category: MCU

Pricing
  LCSC         $0.29
  Mouser       $0.38
  DigiKey      $0.40
  Farnell      $0.40

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