25LC128
P80C51FA-4 (3)P80C51FA (5)P80C51 (7)P80C5 (23)P80C (53)P80 (59)

NXP Semiconductors

P80C51FA-4A,512

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

P80C51FA-4B,557

8051 80C Microcontroller IC 8-Bit 16MHz ROMless 44-PQFP (10x10)
NXP Semiconductors

P80C51FA-4N,112

8051 80C Microcontroller IC 8-Bit 16MHz ROMless 40-DIP

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