US Patent 7876637 Semiconductor device and memory
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Patent abstract
A semiconductor device of the present invention comprises a first step-down voltage circuit to generate a first step-down voltage lower than an externally-supplied power supply voltage, and a second step-down voltage circuit to generate a second step-down voltage lower than the first step-down voltage. The first step-down voltage circuit has a withstand voltage no lower than the power supply voltage and the second step-down voltage circuit has a withstand voltage no lower than the first step-down voltage.
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US Patent 07876637 Semiconductor device and memory US Patent 7876637 Semiconductor device and memory
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Patent Number
0787663700
Patent Number
787663700
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Patent Jurisdiction
Patent Number
078766370
Date of Patent
January 25, 2011
0Patent Application Number
119356390
Date Filed
November 6, 2007
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
078766370
Date of Patent
January 25, 2011
0Patent Application Number
119356390
Date Filed
November 6, 2007
0Official Website
Patent Primary Examiner
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US Patent 07876637 Semiconductor device and memory
Infobox
Is a
Patent jurisdiction
Patent number
07876637
Date of patent
January 25, 2011
Patent application number
11935639
Date Filed
November 6, 2007
Patent primary examiner
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