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:
Nov. 11, 2014
Filed:
Feb. 27, 2009
Applicant:
Kok Heng Choe, Penang, MY;
Inventor:
Kok Heng Choe, Penang, MY;
Assignee:
Altera Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A configurable memory circuit is provided. The memory circuit includes an inverter coupled to another inverter as back-to-back inverters. A programmable switch is placed on each side of the memory circuit. The programmable switches are used to configure the memory circuit. The memory circuit, depending on the configuration of the programmable switches and the back-to-back inverters, may operate as a ROM that stores a logic high value, a ROM that stores a logic low value, or a RAM.