Ferroelectric memory device and electronic apparatus

Details Ferroelectric memory device and electronic apparatus Ferroelectric memory device and electronic apparatus

2006-05-09

2006-05-09

Elms, Richard (Department: 2824)

Static information storage and retrieval

Systems using particular element

Ferroelectric

C365S149000, C365S202000, C365S203000, C365S207000

Reexamination Certificate

active

07042754

ABSTRACT:
A ferroelectric memory device equipped with a plate line control section that selects a specified plate line that is connected to a specified memory cell, thereby discharging a data accumulation charge to a specified bit line connected to the specified memory cell, and discharges a reference accumulation charge to the specified bit line when the specified bit line is discharged; a device that, by successively connecting the specified bit line to a first sense amplifier line and a second sense amplifier line based on a change in the potential on the specified plate line, retains at the first sense amplifier line a potential on the specified bit line when the data accumulation charge is discharged, and retains at the second sense amplifier line a potential on the specified bit line when the reference accumulation charge is discharged; and a sense amplifier that judges the predetermined data based on potentials on the first sense amplifier line and the second sense amplifier line.

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patent: 6278630 (2001-08-01), Yamada
patent: 6493251 (2002-12-01), Hoya et al.
patent: 2002/0080642 (2002-06-01), Sadayuki
patent: 2003/0174573 (2003-09-01), Suzuki et al.
patent: 2004/0052122 (2004-03-01), Kato et al.
patent: 11-191295 (1999-07-01), None

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