Static information storage and retrieval – Read/write circuit – Flip-flop used for sensing
Reexamination Certificate
2011-01-25
2011-01-25
Nguyen, Tan T. (Department: 2827)
Static information storage and retrieval
Read/write circuit
Flip-flop used for sensing
C365S207000
Reexamination Certificate
active
07876635
ABSTRACT:
A sense amplifier driving control circuit has a stable discharge characteristic by differently controlling the discharge of a node having a driving voltage according to the change of an organization of a semiconductor memory device. The sense amplifier driving control circuit includes a pull-down driving block configured to provide a pull-down voltage for a pull-down operation of the sense amplifier, a pull-up driving block configured to sequentially provide a first voltage for the overdrive and a second voltage for the normal drive as a pull-up voltage for a pull-up operation of the sense amplifier, wherein a voltage level of the second voltage is lower than that of the first voltage, and a discharging block configured to discharge the node having the second voltage by controlling a amount of the discharging according to an organization of the semiconductor memory device.
REFERENCES:
patent: 6717880 (2004-04-01), Jeong
patent: 7613059 (2009-11-01), Kang
patent: 1020070036628 (2007-04-01), None
patent: 1020070036633 (2007-04-01), None
Notice of Allowance issued from Korean Intellectual Property Office on Aug. 31, 2009 with an Enligh Translation.
Hynix / Semiconductor Inc.
IP & T Group LLP
Nguyen Tan T.
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