Static information storage and retrieval – Powering
Reexamination Certificate
2008-11-28
2010-11-16
Hoang, Huan (Department: 2827)
Static information storage and retrieval
Powering
C365S227000
Reexamination Certificate
active
07835213
ABSTRACT:
A semiconductor memory device with low power consumption and improved transfer rate of an input/output buffer at reduced manufacturing cost is provided. Thick-film transistors are used for a memory cell array33, a row decoder30, and a sense amplifier32, surrounded by a bold broken line. Thick-film transistors having a threshold voltage lower than the aforementioned transistors are used for input buffers11to13and an input/output buffer26, surrounded by a bold line. Thin-film transistors are used for a clock generator16, a command decoder17, a mode register18, a controller20, a row address buffer and refresh counter21, a column address buffer and burst counter22, a data control circuit23, a latch circuit24, a DLL25, and a column decoder31.
REFERENCES:
patent: 6195305 (2001-02-01), Fujisawa et al.
patent: 11-297950 (1999-10-01), None
patent: 2004-200714 (2004-07-01), None
Dono Chiaki
Koshikawa Yasuji
Elpida Memory Inc.
Hoang Huan
Lappas Jason
Sughrue & Mion, PLLC
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