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:
Jun. 04, 1996
Filed:
Aug. 22, 1994
Hiromi Nobukata, Kanagawa, JP;
Kenichi Satori, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A semiconductor nonvolatile memory device which enables shortening of the time of the bit verification operation and thus high speed reading operations, including a first memory cell array connected to a first bit line, a second memory cell array connected to a second bit line, a first transistor operatively connecting the first bit line and a first node, a second transistor operatively connecting the second bit line and a second node, a precharging circuit for precharging the first and second bit lines, and an equalizing circuit for equalizing the sense amplifier, wherein, at the time of a verification read operation, the gate electrode of the transistor connected to the bit line on the reference side is given as input a control signal set to a level not more than a voltage comprised of the precharge voltage of that bit line plus the threshold voltage of that transistor.