INTEGRATED CIRCUITS 80C51/87C51/80C52/87C52 80C51.
HD8007 - 80C51-based microcontroller
P80C31BH - (P80C31BH / P80C51BH) CHMOS Single-Chip 8-Bit Microcontroller
P80C32 - 80C51 8-bit microcontroller
P89LPC922 - 8-bit microcontrollers with two-clock 80C51 core 2 kB/4 kB/8 kB 3 V low-power Flash with 256-byte data RAM
80C32X2 - 80C51 8-bit microcontroller
AT80C51RA2 - High Performance 8-bit Microcontroller
89C54 - 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
80C51SL - KEYBOARD CONTROLLER
P80C31 - 80C51 8-bit microcontroller
P80C32X2 - 80C51 8-bit microcontroller
P80C51 - 80C51 8-bit microcontroller
P89C536 - 80C51 8-bit microcontroller family 16K/64K/512 FLASH
P87C52X2 - 80C51 8-bit microcontroller
83C453 - 80C51 8-bit microcontroller family 8K/256 OTP/ROM/ expanded I/O
89C52 - 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
SAB80C515 - 8-Bit CMOS Single-Chip Microcontroller
SAB80C517A - 8-Bit CMOS Single-Chip Microcontroller
M80C51FB - CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
MD80C51 - CHMOS Single-Chip 8-Bit Microcontroller
MD80C51 - CMOS 0 to 44 Mhz Single-Chip 8-Bit Microcontroller