Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2005-03-14
2010-06-15
Tra, Quan (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
Reexamination Certificate
active
07737765
ABSTRACT:
A digital multilevel memory system includes a charge pump and a voltage regulator for generating regulated high voltages for various memory operations. The charge pump may include a plurality of boost circuits to boost the output of the charge pump during a fast start up. Afterwards, the boost circuits are disabled to allow the charge pump to generate high voltages without boosting. The boost circuits may be successively enabled to boost the voltage. The boost circuits may be loadless. The voltage regulator may operate in an open loop and may include a resistive divider as a reference voltage for regulating the high voltage from the charge pump. The charge pump may include spread spectrum pump clocking to reduce electromagnetic inference for capacitor or inductor on-chip charge pumping.
REFERENCES:
patent: 4665356 (1987-05-01), Pease
patent: 5493207 (1996-02-01), Beasom
patent: 5563779 (1996-10-01), Cave et al.
patent: 5754078 (1998-05-01), Tamagawa
patent: 5796296 (1998-08-01), Krzentz
patent: 5798637 (1998-08-01), Kim et al.
patent: 5815446 (1998-09-01), Tobita
patent: 5986936 (1999-11-01), Ravazzini
patent: 6009022 (1999-12-01), Lee et al.
patent: 6034519 (2000-03-01), Yang
patent: 6147923 (2000-11-01), Nakano
patent: 6150872 (2000-11-01), McNeill et al.
patent: 6160391 (2000-12-01), Banba
patent: 6201433 (2001-03-01), Nagatomo
patent: 6232829 (2001-05-01), Dow
patent: 6249445 (2001-06-01), Sugasawa
patent: 6259612 (2001-07-01), Itoh
patent: 6282145 (2001-08-01), Tran
patent: 6288951 (2001-09-01), Chen et al.
patent: 6329871 (2001-12-01), Taguchi
patent: 6411069 (2002-06-01), Hollmer
patent: 6480421 (2002-11-01), Osama et al.
patent: 6504736 (2003-01-01), Ono
patent: 6570367 (2003-05-01), Bartenschlager et al.
patent: 6734718 (2004-05-01), Pan
patent: 6788608 (2004-09-01), Tran
patent: 6836178 (2004-12-01), Kim
patent: 6873143 (2005-03-01), Moon et al.
patent: 6958594 (2005-10-01), Redi et al.
patent: 7015684 (2006-03-01), Chen
patent: 7053596 (2006-05-01), Koyasu
patent: 7064601 (2006-06-01), Kwak et al.
patent: 7071748 (2006-07-01), Wich
patent: 7180794 (2007-02-01), Matsue
patent: 7268611 (2007-09-01), Kikuchi et al.
patent: 2003/0122611 (2003-07-01), Min
patent: 2003/0160649 (2003-08-01), Nakai
patent: 2003/0197551 (2003-10-01), Hamamoto et al.
patent: 2005/0024126 (2005-02-01), Suwa et al.
patent: WO 03047100 (2003-06-01), None
Hoang Loc B.
Jaffari Nasrin
Lau Wingfu Aaron
Ly Anh
Nguyen Hung Q.
DLA Piper (LLP) US
Silicon Storage Technology, Inc.
Tra Quan
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