Apparatus and method for programming and erasing virtual...

Static information storage and retrieval – Floating gate – Particular connection

Reexamination Certificate

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C365S185210, C365S185290, C365S185280, C365S185020, C365S185260

Reexamination Certificate

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07324377

ABSTRACT:
A method is described for erasing a selected data region in an NROM cell that is a member of a virtual ground NROM EEPROM array. The method provides that erasing the selected data region does not disturb the program state of unselected data regions.

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patent: 2004/0145950 (2004-07-01), Yeh et al.
patent: 2004/0170063 (2004-09-01), Tsai et al.
Yeh, C.C. et al. “PHINES: a novel low power program/erase, small pitch, 2-bit per cell flash memory” Electron Devices Meeting, 2002. IEDM '02. pp. 931-934.

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