Static information storage and retrieval – Read/write circuit – Including reference or bias voltage generator
Reexamination Certificate
2006-02-14
2006-02-14
Tran, Andrew Q. (Department: 2824)
Static information storage and retrieval
Read/write circuit
Including reference or bias voltage generator
C365S201000, C365S225700, C327S543000
Reexamination Certificate
active
06999356
ABSTRACT:
A semiconductor device that generates a desired internal power supply by using, as a reference potential, a potential obtained by adjusting a preset standard potential, the semiconductor device comprises; a reference potential selection circuit selecting the reference potential on the basis of digital data from among a plurality of potentials of different levels which are obtained by dividing a power supply voltage, and outputting the reference potential instead of the standard potential; a first decision circuit deciding bits of the digital data; a second decision circuit deciding the bits of the digital data, separately from the first decision circuit; and a data transfer circuit transferring to the reference potential selection circuit the digital data which is decided by either one of the first and second decision circuits.
REFERENCES:
patent: 6430101 (2002-08-01), Toda
patent: 6469573 (2002-10-01), Kanda et al.
patent: 6567333 (2003-05-01), Toda
patent: 6674318 (2004-01-01), Kanda et al.
patent: 2001-216040 (2001-08-01), None
Kawaguchi Kazuaki
Kozuka Eiji
Miyata Mikio
Suematsu Yasuhiro
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