Semiconductor integrated circuit having a built-in data storage circuit for nonvolatile storage of control data
This application is based upon and claims the benefit of priority from the prior Japanese Patent Application No. 2000-371939, filed on Dec. 6, 2000, the entire contents of which are incorporated herein by reference. A semiconductor integrated circuit includes a control data storage circuit () having...
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Format | Patent |
Language | English |
Published |
10.06.2003
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Abstract | This application is based upon and claims the benefit of priority from the prior Japanese Patent Application No. 2000-371939, filed on Dec. 6, 2000, the entire contents of which are incorporated herein by reference.
A semiconductor integrated circuit includes a control data storage circuit () having nonvolatile storage devices with programmed control data and a latch circuit for holding data read out from the storage devices, and a read control circuit () for controlling read operations of the control data, which are built in a semiconductor chip. The control data storage circuit () is divided into groups (), and the read control circuit () generates read control signals for the groups () at different timings, using an output of an internal potential detecting circuit as the timing reference, thereby preventing the peak of power consumption from unacceptably rising during reading operations. |
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AbstractList | This application is based upon and claims the benefit of priority from the prior Japanese Patent Application No. 2000-371939, filed on Dec. 6, 2000, the entire contents of which are incorporated herein by reference.
A semiconductor integrated circuit includes a control data storage circuit () having nonvolatile storage devices with programmed control data and a latch circuit for holding data read out from the storage devices, and a read control circuit () for controlling read operations of the control data, which are built in a semiconductor chip. The control data storage circuit () is divided into groups (), and the read control circuit () generates read control signals for the groups () at different timings, using an output of an internal potential detecting circuit as the timing reference, thereby preventing the peak of power consumption from unacceptably rising during reading operations. |
Author | Hara, Takahiko Koyanagi, Masaru Kimura, Tohru Ito, Mikihiko Takase, Satoru |
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CorporateAuthor | Kabushiki Kaisha Toshiba |
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References | Miyakawa et al. (6088281) 20000700 Park et al. (6118712) 20000900 Kato et al. (6055197) 20000400 |
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Snippet | This application is based upon and claims the benefit of priority from the prior Japanese Patent Application No. 2000-371939, filed on Dec. 6, 2000, the entire... |
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Title | Semiconductor integrated circuit having a built-in data storage circuit for nonvolatile storage of control data |
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