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. 04, 2008
Filed:
Aug. 07, 2006
Tomoko Ogura, Hillsboro, OR (US);
Nori Ogura, Hillsboro, OR (US);
Seiki Ogura, Hillsboro, OR (US);
Yoshitaka Baba, Beaverton, OR (US);
Tomoko Ogura, Hillsboro, OR (US);
Nori Ogura, Hillsboro, OR (US);
Seiki Ogura, Hillsboro, OR (US);
Yoshitaka Baba, Beaverton, OR (US);
Halo LSI, Inc., Hillsboro, OR (US);
Abstract
A reference circuit is described for creating a reference signal using a twin MONOS memory cell. A first portion of the twin MONOS memory cell connects to a charged and floating bit line a current source formed in a second portion of the twin MONOS cell that discharges the charged bit line to form a reference signal for a sense amplifier. The sense amplifier compares the reference signal to a signal from a selected memory cell upon which memory operations are being performed comprising read, erase verify and program verify.