P89C51RB2BA/01,512,IC MCU 8BIT 16KB FLASH 44PLCC
P89C51RC2BA/01,512,IC MCU 8BIT 32KB FLASH 44PLCC
P89C51RC2BBD/01,55,IC MCU 8BIT 32KB FLASH 44LQFP
P89C51RC2BN/01,112,IC MCU 8BIT 32KB FLASH 40DIP
P89C51RC2FA/01,529,IC MCU 8BIT 32KB FLASH 44PLCC
P89C51RC2FBD/01,55,IC MCU 8BIT 32KB FLASH 44LQFP
P89C51RD2BA/01,512,IC MCU 8BIT 64KB FLASH 44PLCC
P89C51RD2BBD/01,55,IC MCU 8BIT 64KB FLASH 44LQFP