Readout of multi-level storage cells

Details Readout of multi-level storage cells Readout of multi-level storage cells

2007-03-30

2009-08-25

Lam, David (Department: 2827)

Static information storage and retrieval

Read/write circuit

Including signal comparison

C365S189090, C365S210100, C365S207000

Reexamination Certificate

active

07580297

ABSTRACT:
A multi-level sensing scheme compares the state of a multi-level storage cell with monotonously changing reference states, which are associated to different information values. That particular information value is identified to be the information stored in the multi-level storage cell, which has associated that reference state which, in a changing direction, firstly exceeds the state.

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patent: 7142464 (2006-11-01), Dadashev
patent: 7324381 (2008-01-01), Gallo et al.
patent: 2003/0214867 (2003-11-01), Goldman et al.
patent: 2006/0002172 (2006-01-01), Venkataraman et al.
patent: 0 744 753 (1996-11-01), None

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