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Title:
INFORMATION PROCESSING DEVICE AND SEMICONDUCTOR STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2009277334
Kind Code:
A
Abstract:

To enhance the processing performance of a system LSI of multi-core structure.

The information processing device comprises the system LSI or a microprocessor including a plurality of CPU cores in one chip and a DRAM stacked thereon. In the system LSI chip, a chip multi-divided I/O distributed architecture is adopted. A plurality of independently operating CPU cores are provided in the system LSI. Each CPU core is provided with a 3D interface circuit, and independent data transmission/reception is allowed. In the DRAM chip, the chip multi-divided I/O distributed architecture is also adopted. The DRAM is divided into a plurality of independently operating DRAM cores. Each DRAM core is provided with a 3D interface circuit, and independent data transmission/reception is allowed.


Inventors:
SEKIGUCHI TOMONORI
TAKEMURA RIICHIRO
OSADA KENICHI
SAEN MAKOTO
MIURA SEISHI
KURODA YUKI
Application Number:
JP2008323564A
Publication Date:
November 26, 2009
Filing Date:
December 19, 2008
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
G11C5/00; G11C11/401; H01L21/8242; H01L25/065; H01L25/07; H01L25/18; H01L27/10; H01L27/108
Attorney, Agent or Firm:
Yamato Tsutsui