CH552T-I — WCH
Enhanced E8051 MCU, USB, 16KB flash, TSSOP20, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $0.44
  Mouser       $0.53
  DigiKey      $0.53
  Farnell      $0.59

Manufacturer: https://www.wch.cn