P89LPC921FN,112
MICROCONTROLLER 8Bit MICROCONTROLLERS WITH TWO-CLOCK 80C51 CORE, 2KB/4KB/8KB 3V LOW-POWER FLASH WITH 256Byte DATA RAM
8051 series IC 8 位 18MHz 4KB（4K x 8） 闪存 20-DIP
得捷:
IC MCU 8BIT 4KB FLASH 20DIP
艾睿:
MICROCONTROLLER 8-BIT MICROCONTROLLERS WITH TWO-CLOCK 80C51 CORE, 2 KB/4 KB/8 KB 3 V LOW-POWER FLASH WITH 256-BYTE DATA RAM
DeviceMart:
IC 80C51 MCU FLASH 4K 20-DIP
