【Atmel】AT80C51ID2-SLSIM,IC MCU 8051 5V SPI 20MHZ 44-PLCC
【Atmel】AT80C51ID2-SLSUL,8-bit Microcontrollers (MCU) C51ID2 ROMless ind 3V
【Atmel】AT80C51ID2-SLSUM,8-bit Microcontrollers (MCU) C51ID2 ROMless COM 5V
【Atmel】AT80C51RA2-3CSUL,IC 8051 MCU ROMLESS 40DIP
【Atmel】AT80C51RA2-3CSUM,IC 8051 MCU ROMLESS 40DIP
【Atmel】AT80C51RA2-RLRUL,MCU ROMLESS 5V 30MHZ 44-VQFP
【Atmel】AT80C51RA2-RLTUL,IC 8051 MCU ROMLESS 44VQFP
【Atmel】AT80C51RA2-RLTUM,IC 8051 MCU ROMLESS 44VQFP