87C51 80C51BH 80C31BH CHMOS SINGLE-CHIP 8-BIT MICR.
MD80C51 - CHMOS Single-Chip 8-Bit Microcontroller
D80C51 - CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
MD80C51 - CMOS 0 to 44 Mhz Single-Chip 8-Bit Microcontroller
LD80C51BH - CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
