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T89C51RB2 - (T89C51RB2/RC2) 8-bit Microcontroller with 16 Kbytes/ 32 Kbytes FLASH
COP8SEC5 - 8-Bit CMOS ROM Based and OTP Microcontrollers with 4k Memory and 128 Bytes EERAM
IS89C52-12PL - CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH
IS89C52-24PL - CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH
IS89C52-12PQI - CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH