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.

Date of Patent:
Nov. 13, 2018

Filed:

Sep. 26, 2013
Applicants:

Alexander B. Hoefler, Austin, TX (US);

Thomas E. Tkacik, Phoenix, AZ (US);

Inventors:

Alexander B. Hoefler, Austin, TX (US);

Thomas E. Tkacik, Phoenix, AZ (US);

Assignee:

NXP USA, Inc., Austin, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 17/16 (2006.01); G11C 17/18 (2006.01); G11C 7/24 (2006.01);
U.S. Cl.
CPC ...
G11C 29/70 (2013.01); G11C 7/24 (2013.01); G11C 17/16 (2013.01); G11C 17/18 (2013.01); G11C 29/787 (2013.01);
Abstract

A method of programming a memory includes selecting a logic state for programming a first bitcell of the memory. A first one-time-programmable (OTP) element of the first bitcell is programmed using a first set of conditions intended to achieve a first target resistance in accordance with the selected logic state which results in a first degree of programming of the first OTP element. A second OTP element of the first bitcell is programmed using a second set of conditions different from the first set of conditions intended to achieve a second target resistance in accordance with the selected logic state which results in a second degree of programming of the second OTP element, wherein the first and second degrees of programming are visually indistinguishable.


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