The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 2007
Filed:
Jul. 27, 2006
Darren L. Anand, Essex Junction, VT (US);
Gregory J. Fredeman, Wappingers Falls, NY (US);
Toshiaki Kirihata, Poughkeepsie, NY (US);
Alan J. Leslie, Wappingers Falls, NY (US);
John M. Safran, Wappingers Falls, NY (US);
Darren L. Anand, Essex Junction, VT (US);
Gregory J. Fredeman, Wappingers Falls, NY (US);
Toshiaki Kirihata, Poughkeepsie, NY (US);
Alan J. Leslie, Wappingers Falls, NY (US);
John M. Safran, Wappingers Falls, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
An apparatus for sensing the state of a programmable resistive memory element device includes a latch device is coupled to a fuse node and a reference node, the fuse node included within a fuse leg and the reference node configured within a reference resistance leg. The latch device is configured to detect a differential signal developed between the reference node and the fuse node as the result of sense current passed through the fuse leg and the reference resistance leg. The fuse and reference resistance legs are further configured for first and second sensing modes, wherein the second sensing mode utilizes a different level of current than the first sensing mode.