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25LC128
P87C554 (2)P87C55 (5)P87C5 (91)P87C (102)P87 (131)
NXP Semiconductors

P87C554SBAA,512

8051 87C Microcontroller IC 8-Bit 16MHz 16KB (16K x 8) OTP 68-PLCC (24.23x24.23)
NXP Semiconductors

P87C554SFAA,512

8051 87C Microcontroller IC 8-Bit 16MHz 16KB (16K x 8) OTP 68-PLCC (24.23x24.23)
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