Nonvolatile memory device using variable resistive element

Details Nonvolatile memory device using variable resistive element Nonvolatile memory device using variable resistive element

2008-03-21

2009-08-04

Elms, Richard (Department: 2824)

Static information storage and retrieval

Read/write circuit

Noise suppression

C365S189060

Reexamination Certificate

active

07570530

ABSTRACT:
Disclosed is a nonvolatile memory device using a variable resistive element, and a data read circuit for use in variable resistive memory devices. More specifically, embodiments of the invention provide a data read circuit with one or more decoupling units to remove noise from one or more corresponding control signals. For instance, embodiments of the invention remove noise from a clamping control signal, a read bias control signal, and/or precharge signal. The disclosed decoupling units may be used alone or in any combination. Embodiments of the invention are beneficial because they can increase sensing margin and improve the reliability of read operations in memory devices with variable resistive elements.

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patent: 6795338 (2004-09-01), Parkinson et al.
patent: 2006079756 (2006-03-01), None
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patent: 1020040059272 (2004-07-01), None
patent: 1020050029013 (2005-03-01), None

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