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:
Jan. 08, 2019
Filed:
Jun. 29, 2017
Applicant:
Cisco Technology, Inc., San Jose, CA (US);
Inventors:
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 17/00 (2006.01); G11C 17/16 (2006.01); G11C 17/18 (2006.01); H01L 27/112 (2006.01); G11C 16/10 (2006.01); G11C 16/26 (2006.01); G11C 7/12 (2006.01);
U.S. Cl.
CPC ...
G11C 17/16 (2013.01); G11C 7/12 (2013.01); G11C 16/10 (2013.01); G11C 16/26 (2013.01); G11C 17/18 (2013.01); H01L 27/11206 (2013.01);
Abstract
In one embodiment, an apparatus includes a non-volatile memory, a one-time programmable (OTP) memory, and a processor operative to write data values to the non-volatile memory and then initiate programming of a first bit of the OTP memory, the first bit being associated with locking the non-volatile memory from further data being written thereto, and after the non-volatile memory has been locked from further data being written thereto, initiate programming of the second bit of the OTP memory in order to lock the non-volatile memory from further data being erased therefrom.