Reference voltage generating apparatus for use in a...

Details Reference voltage generating apparatus for use in a... Reference voltage generating apparatus for use in a...

2006-10-10

2006-10-10

Tran, Michael (Department: 2827)

Static information storage and retrieval

Systems using particular element

Ferroelectric

C365S189090

Reexamination Certificate

active

07120045

ABSTRACT:
A reference voltage generating apparatus and a driving method therefor are provided. The method of driving the reference voltage generating apparatus for supplying a reference voltage to read data from a ferroelectric memory cell including a ferroelectric capacitor and an access transistor comprises: re-storing, in a reference cell, data equal to data stored in the reference cell, in response to a first control signal, and generating a reference voltage, in the re-stored reference cell, in response to a second control signal, to compare the reference voltage with a voltage corresponding to data stored in the ferroelectric memory cell and to read the data stored in the ferroelectric memory cell. The reference cell includes a ferroelectric capacitor and an access transistor.

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patent: 6252793 (2001-06-01), Allen et al.
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patent: 6498745 (2002-12-01), Kang et al.
patent: 6795330 (2004-09-01), Demange et al.
patent: 2003/0218899 (2003-11-01), Jeon et al.

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