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:
Jan. 28, 2014
Filed:
Jan. 12, 2012
Takumi Takagi, Odawara, JP;
Daisuke Sasaki, Fujisawa, JP;
Masahiko Nishiyama, Fujisawa, JP;
Masatoshi Hasegawa, Hachioji, JP;
Takumi Takagi, Odawara, JP;
Daisuke Sasaki, Fujisawa, JP;
Masahiko Nishiyama, Fujisawa, JP;
Masatoshi Hasegawa, Hachioji, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A semiconductor device having an SRAM macro which has a power-off function and facilitates a design associated with a change in storage capacity is provided. The semiconductor device has plural layout units each including a memory array having plural memory cells in an SRAM, a first peripheral circuit that writes data into the memory array and reads the data from the memory array, and a switch group that disconnects the memory array and the first peripheral circuit, and power wires.