25LC128
P89V51RB2F (2)P89V51RB2 (3)P89V51R (9)P89V5 (12)P89V (18)P89 (161)

NXP Semiconductors

P89V51RB2FA,529

8051 89V Microcontroller IC 8-Bit 40MHz 16KB (16K x 8) FLASH 44-PLCC (16.59x16.59)
NXP Semiconductors

P89V51RB2FN,112

8051 89V Microcontroller IC 8-Bit 40MHz 16KB (16K x 8) FLASH 40-DIP

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