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25LC128
AT89C51SND (3)AT89C51 (181)AT89C5 (195)AT89C (220)AT89 (400)AT8 (261)
Atmel

AT89C51SND2C-7FTUL

80C51 89C Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH 100-CTBGA (9x9)
Atmel

AT89C51SND1C-ROTUL

80C51 89C Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH 80-TQFP (14x14)
Atmel

AT89C51SND1C-7HTUL

80C51 89C Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH 81-BGA (9x9)
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