P89C51RD2BA/01,512,IC MCU 8BIT 64KB FLASH 44PLCC
P89C51RD2BBD/01,55,IC MCU 8BIT 64KB FLASH 44LQFP
P89C52X2BBD/00,557,IC MCU 8BIT 8KB FLASH 44LQFP
P89C52X2BN/00,112,IC MCU 8BIT 8KB FLASH 40DIP
P89C54X2FA/00,529,IC MCU 8BIT 16KB FLASH 44PLCC
P89C58X2BA/00,512,IC MCU 8BIT 32KB FLASH 44PLCC
P89C60X2BA/00,512,IC MCU 8BIT 64KB FLASH 44PLCC
P89C60X2BBD/00,557,IC MCU 8BIT 64KB FLASH 44LQFP