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:
Dec. 07, 2004
Filed:
Jun. 05, 2002
Yasuhiro Ishizuka, Tokyo, JP;
Other;
Abstract
A power supply control circuit for use in a semiconductor storage device is provided. The power supply control circuit comprises a first power supply circuit connected to all subarrays of the semiconductor storage device, for supplying power to all the subarrays, an operation mode determination circuit for determining an operation mode in which the semiconductor storage device is placed and for generating a first block selection signal based on address information applied thereto according to the determined operation mode, a row control circuit disposed for each of all the subarrays, for generating a second block selection signal based on the first block selection signal according to the determined operation mode, and a second power supply circuit disposed for each of all the subarrays, for supplying power to a corresponding one of all the subarrays according to the second block selection signal from a corresponding row control circuit.