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:
Mar. 12, 2013
Filed:
Dec. 29, 2009
Seiro Imai, Tokyo, JP;
Seiro Imai, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor integrated circuit includes: a current difference sense type of a sense amplifier including: an input line connected to memory cells as a target to be read, a reference line connected to reference cells, and a first pre-charge circuit configured to pre-charge the input line and the reference line; a second pre-charge circuit configured to perform pre-charging of the input line and pre-charging of the reference line; and a control circuit configured to control the second pre-charge circuit so that the second pre-charge circuit may perform both the pre-charging of the input line and the pre-charging of the reference line independently of each other, and start both the pre-charging of the input line and the pre-charging of the reference line earlier than pre-charging by the first pre-charge circuit.