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P80C32SBAA,512
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 8BIT ROMLESS 44PLCC
P80C32SBBB,557
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 ROMLESS 44-QFP
P80C32SBPN,112
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256X8 ROMLESS 40DIP