Semiconductor memory device

Static information storage and retrieval – Systems using particular element – Capacitors

Reexamination Certificate

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Details

C365S222000, C365S187000, C365S202000, C365S207000, C365S233100

Reexamination Certificate

active

06862205

ABSTRACT:
The semiconductor memory device includes: a memory cell including a capacitor having a charge storage node and a first MIS transistor and a second MIS transistor each having a source connected to the charge storage node; a first word line and a first bit line respectively connected to the gate and the drain of the first MIS transistor; a second word line and a second bit line respectively connected to the gate and the drain of the second MIS transistor; and a timer circuit for generating a periodic signal having a predetermined period. The first word line or the second word line is activated in response to the periodic signal.

REFERENCES:
patent: 4203159 (1980-05-01), Wanlass
patent: 4264872 (1981-04-01), Suzuki
patent: 4578781 (1986-03-01), Ogawa et al.
patent: 4645564 (1987-02-01), Morie et al.
patent: 5007022 (1991-04-01), Leigh
patent: 5250828 (1993-10-01), Honma
patent: 5295110 (1994-03-01), Sakakibara
patent: 5600598 (1997-02-01), Skjaveland et al.
patent: 5636171 (1997-06-01), Yoo et al.
patent: 6026043 (2000-02-01), Suzuki
patent: 6256220 (2001-07-01), Kamp
patent: 6256221 (2001-07-01), Holland et al.
patent: 6549451 (2003-04-01), Jain
patent: 6727129 (2004-04-01), Nakajima
patent: 20010033508 (2001-10-01), Waller
patent: 20010053106 (2001-12-01), Sadakata
patent: 20020012272 (2002-01-01), Shukuri et al.
patent: 20020036308 (2002-03-01), Endoh et al.
patent: 20020039316 (2002-04-01), Tobita
patent: 20020054522 (2002-05-01), Inoue et al.
patent: 20020097595 (2002-07-01), Chien
patent: 20020161977 (2002-10-01), Chien
patent: 20030003770 (2003-01-01), Morita et al.
patent: 20030067829 (2003-04-01), Keeth et al.
patent: 20030111681 (2003-06-01), Kawanaka
patent: 20040027860 (2004-02-01), Shukuri et al.
patent: 55-153194 (1980-11-01), None
patent: 04259981 (1992-09-01), None
patent: 04306875 (1992-10-01), None

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