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P87C51X2BA,512
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 128 RAM 44PLCC
P87C51X2BBD,157
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 128 RAM 44LQFP
P87C51X2BN,112
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 128 RAM 40DIP
P87C52UBPN,112
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 40DIP
P87C52X2BBD,157
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 44LQFP
P87C52X2FBD,157
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 44LQFP
P87C52X2FN,112
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 40DIP
P87C54UBAA,512
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 ROMLESS 44PLCC
P87C54X2BA,512
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 44PLCC
P87C54X2BBD,157
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 44LQFP
P87C54X2BN,112
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 40DIP
P87C54X2FA,512
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 44PLCC
P87C54X2FBD,157
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 44LQFP
P87C557E8EFB/01,55
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 2048 RAM 80QFP
P87C58X2BBD,157
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 44LQFP
P87C58X2BN,112
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 40DIP
P87C58X2FA,512
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 44PLCC
P89C51RC2BBD/01,55
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 512 RAM 44LQFP
P89C51RC2BN/01,112
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 512 RAM 40DIP
P89C52X2BBD/00,557
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 44LQFP
P89C52X2BN/00,112
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC 80C51 MCU 256 RAM 40DIP