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:
Oct. 16, 2001
Filed:
Jun. 21, 2000
Hironori Iga, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A semiconductor storage device which allows a differential sense amplifier to perform a normal amplifying operation even if a potential difference occurring in a pair of bit lines in readout of memory cell information is small. If a potential difference occurring in the pair of bit lines in readout of memory cell information is small, the differential sense amplifier can not normally perform an operation of amplifying. Adding in the differential amplification circuit DA, the inverting amplification circuit IA is newly provided and the differential amplification circuit DA is caused to operate after a very small potential difference occurring between the bit lines BL and /BL is amplified by the inverting amplification circuit IA.