Reprogrammable integrated circuit (IC) with overwritable...

Details Reprogrammable integrated circuit (IC) with overwritable... Reprogrammable integrated circuit (IC) with overwritable...

2006-10-17

2006-10-17

Phung, Anh (Department: 2824)

Static information storage and retrieval

Floating gate

Particular biasing

C365S185290, C365S207000, C365S210130

Reexamination Certificate

active

07123517

ABSTRACT:
A reprogrammable integrated circuit (IC) including overwritable nonvolatile storage cells. Cell contents are compared in a differential sense amplifier against a variable reference signal that has a number of selectable reference levels corresponding to reprogrammed cell threshold voltages. With each write cycle the nonvolatile storage cells are overwritten and then, compared against a different, e.g., higher, selectable reference level.

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patent: 2001357681 (2001-12-01), None

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