Static information storage and retrieval – Read/write circuit – Including reference or bias voltage generator
Patent
1994-10-04
1995-10-03
Popek, Joseph A.
Static information storage and retrieval
Read/write circuit
Including reference or bias voltage generator
36518901, 36518906, 365226, G11C 700
Patent
active
054557976
ABSTRACT:
An apparatus includes a constant voltage generator for generating a voltage based on a difference between threshold voltages of two MOS transistors, and a voltage sampling device for sampling the output voltage of the constant voltage generator circuit, wherein the voltage sampling device samples the output voltage of the constant voltage generator before an electric source switch for the constant voltage generator is turned off.
REFERENCES:
patent: 5229711 (1993-07-01), Inoue
patent: 5384740 (1995-01-01), Etoh et al.
Aoki Masakazu
Etoh Jun
Kawamoto Koji
Nakagome Yoshinobu
Tanaka Hitoshi
Hitachi , Ltd.
Hitachi VLSI Engineering Corporation
Nguyen Tan
Popek Joseph A.
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