Title:
NONVOLATILE CONTENT ADDRESSABLE MEMORY AND METHOD FOR OPERATING SAME
Document Type and Number:
WIPO Patent Application WO/2014/038340
Kind Code:
A1
Abstract:
A nonvolatile content addressable memory, wherein each word circuit is composed of a plurality of segments having an order relation, each of the segments has one or more memory cells, each of the memory cells is provided with a nonvolatile storage element, and each of the segments is provided with a power supply switch for turning on and off the power supply of the memory cell of the segment. All the power supply switches are turned off during standby, and the power supply switch is turned on in each of the segments as needed during a search operation.
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Inventors:
SAKIMURA NOBORU (JP)
NEBASHI RYUSUKE (JP)
SUGIBAYASHI TADAHIKO (JP)
MATSUNAGA SHOUN (JP)
HANYU TAKAHIRO (JP)
OHNO HIDEO (JP)
NEBASHI RYUSUKE (JP)
SUGIBAYASHI TADAHIKO (JP)
MATSUNAGA SHOUN (JP)
HANYU TAKAHIRO (JP)
OHNO HIDEO (JP)
Application Number:
PCT/JP2013/071442
Publication Date:
March 13, 2014
Filing Date:
August 01, 2013
Export Citation:
Assignee:
NEC CORP (JP)
UNIV TOHOKU (JP)
UNIV TOHOKU (JP)
International Classes:
G11C15/04; G11C11/15; G11C15/02
Domestic Patent References:
| WO2002056315A1 | 2002-07-18 |
Foreign References:
| JPS62293596A | 1987-12-21 | |||
| JPS6331091A | 1988-02-09 | |||
| JPH1186567A | 1999-03-30 | |||
| JPH04186596A | 1992-07-03 | |||
| JPS59116992A | 1984-07-06 | |||
| JP2012190530A | 2012-10-04 | |||
| JP2013200920A | 2013-10-03 | |||
| JPH02308499A | 1990-12-21 |
Attorney, Agent or Firm:
IKEDA, Noriyasu et al. (JP)
Noriyasu Ikeda (JP)
Noriyasu Ikeda (JP)
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