Apparatus and method for transmitting/receiving signals at...

Details Apparatus and method for transmitting/receiving signals at... Apparatus and method for transmitting/receiving signals at...

2011-07-05

2011-07-05

Nguyen, Tuan T (Department: 2824)

Static information storage and retrieval

Read/write circuit

Data transfer circuit

C365S189050, C365S189011, C365S194000

Reexamination Certificate

active

07974142

ABSTRACT:
A semiconductor memory device includes: a data transferrer configured to transfer data; a main driver configured to apply the data to the data transferrer in response to a control signal; and a pre-driver configured to decrease a voltage level of the data transferrer when the voltage level of the data transferrer is higher than a logic threshold voltage, and to increase the voltage level of the data transferrer when the voltage level of the data transferrer is lower than the logic threshold voltage prior to activation of the control signal.

REFERENCES:
patent: 6330196 (2001-12-01), Protzman
patent: 7423920 (2008-09-01), Koo
patent: 2003/0164723 (2003-09-01), Suzuki
patent: 2005/0237819 (2005-10-01), Kim
patent: 2006/0179372 (2006-08-01), Volk
patent: 2008/0062772 (2008-03-01), Ko
patent: 05-006677 (1993-01-01), None
patent: 1020020002831 (2002-01-01), None
patent: 1020060005486 (2006-01-01), None
Data Bus Pre-driving Scheme to Improve Data Transferring Characteristics for High Speed DRAM,: The 14th Korean Conference on Semiconductors, p. 1105-1106, Feb. 9, 2007.
Notice of Preliminary Rejection issued from Korean Intellectual Property Office on Aug. 24, 2009 with an English Translation.
Notice of Allowance issued from Korean Intellectual Property Office on Aug. 17, 2010.

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