RFID device having nonvolatile ferroelectric memory device

Details RFID device having nonvolatile ferroelectric memory device RFID device having nonvolatile ferroelectric memory device

2006-12-28

2009-10-06

Elms, Richard (Department: 2824)

Static information storage and retrieval

Read/write circuit

Signals

C365S145000

Reexamination Certificate

active

07599233

ABSTRACT:
An RFID device is provided to perform a pumping operation when a read or write operation of a memory cell is performed to reduce current consumption. The RFID device includes an analog block, a digital block, and a memory block including at least one ferroelectric capacitor, and a voltage pumping unit for supplying the memory cell a pumping voltage higher than a power voltage only when the memory cell is operated.

REFERENCES:
patent: 5881000 (1999-03-01), Maeda
patent: 6201731 (2001-03-01), Kamp et al.
patent: 6438020 (2002-08-01), Yamada
patent: 2003/0183699 (2003-10-01), Masui
patent: 2005/0057957 (2005-03-01), Masui
patent: 2006/0114740 (2006-06-01), Watanabe

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