P80C31SFAA,512

8位微控制器 -MCU 8B MCU128/256B RAM 2.7-5.5V 33MHZ

8051 80C Microcontroller IC 8-Bit 16MHz ROMless 44-PLCC 16.59x16.59

得捷:
IC MCU 8BIT ROMLESS 44PLCC

贸泽:
8位微控制器 -MCU 8B MCU128/256B RAM 2.7-5.5V 33MHZ

艾睿:
MCU 8-bit P80 80C51 CISC ROM 3.3V/5V 44-Pin PLCC Tube