IC 80C51 MCU 2KB FLASH 14DIP
MCU 8-bit P89 80C51 CISC 2KB Flash 2.5V/3.3V 14-Pin TSSOP
IC MCU 8BIT 8KB FLASH 20DIP
8-Bit MCU, 18MHz, 3.3V, 8KB Flash, 256B RAM, 20-Pin DIP
8-bit Microcontrollers - MCU 80C51 4K FL 256B RAM
IC 80C51 MCU FLASH 2K 20-DIP