.jpg)
P80C31SBAA,512
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 8BIT ROMLESS 44PLCC
P80C31SBBB,557
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 128 ROMLESS 44-QFP
P80C31SBPN,112
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 128X8 ROMLESS DIP40 Un-programmed
P80C31SFAA,512
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 8BIT ROMLESS 44PLCC