Static information storage and retrieval – Systems using particular element – Flip-flop
Reexamination Certificate
2005-03-22
2005-03-22
Lam, David (Department: 2818)
Static information storage and retrieval
Systems using particular element
Flip-flop
C365S233100, C365S189011
Reexamination Certificate
active
06870756
ABSTRACT:
A semiconductor integrated circuit device provided with a SRAM realizing low power consumption and high speed is to be provided. Out of memory circuits which cause a timing generator circuit which selects writable and readable memory cells with the address selector circuit, conveys write signals to a memory cell selected by a write circuit, conveys read signals from a memory cell selected by a read circuit, and receives a clock signal, to generate operational timing signals to be conveyed to an address selector circuit, a write circuit and a read circuit, a circuit in which the operational timing is not too tight is configured of a higher threshold voltage MOSFET than the MOSFETs of other circuits.
REFERENCES:
patent: 5668770 (1997-09-01), Itoh et al.
patent: 6597629 (2003-07-01), Raszka et al.
patent: 4-344395 (1991-05-01), None
patent: 9-51042 (1996-02-01), None
patent: 2002-100190 (2000-09-01), None
Funane Kiyotada
Ogawa Yutaka
Ogura Kazutomo
Satou Naofumi
A. Marquez, Esq. Juan Carlos
Fisher Esq. Stanley P.
Hitachi Ulsi Systems Co., Ltd.
Lam David
Reed Smith LLP
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