Why the erases state of a memory is "0xFF" and not "0x00"?

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Why the erases state of a memory is "0xFF" and not "0x00"?

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pranavpathak
Contributor III

Dear All,

I had this query that why do we have erased memory state as 0xFF?

Thank you in advance !

Regards,

Pranav

memory controller‌ mpc5744p eeprom erase internal eeprom eeprom emulation #nvm eeprom

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davidtosenovjan
NXP TechSupport
NXP TechSupport

Hi, it is just due to technological reasons. Pay attention to following link, section 'NOR Flash':

Flash memory - Wikipedia