Semiconductor integrated circuit and data output method

Details Semiconductor integrated circuit and data output method Semiconductor integrated circuit and data output method

2008-05-06

2008-05-06

Phung, Anh (Department: 2824)

Static information storage and retrieval

Read/write circuit

Including signal comparison

C365S189040

Reexamination Certificate

active

11433353

ABSTRACT:
A semiconductor integrated circuit for reducing power consumption and simultaneous switching noise in an output circuit, which outputs plural pieces of output data including first and second output data, each including a plurality of bits. The first output data is generated from first original data. The second output data is generated from second original data. A comparison circuit generates a determination signal indicating whether the number of changed bits of the second original data from the first original data is greater than a predetermined number. In accordance with the determination signal, a selection circuit generates output data expressing the second original data and the data type in a first expression format or output data expressing the complement data of the second original data and the data type in a second expression format. This is output as the second output data.

REFERENCES:
patent: 5883847 (1999-03-01), Takahashi
patent: 7110305 (2006-09-01), Suwa et al.
patent: 07-013743 (1995-01-01), None
patent: 2003-101415 (2003-04-01), None

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