Static information storage and retrieval – Read/write circuit – Having fuse element
Reexamination Certificate
2008-12-09
2010-12-28
Nguyen, Dang T (Department: 2824)
Static information storage and retrieval
Read/write circuit
Having fuse element
C365S240000, C365S200000
Reexamination Certificate
active
07859934
ABSTRACT:
A method and apparatus to configure redundant memory elements in a system on a chip (SoC) having discrete voltage domains (islands). A plurality of memories are provided for each voltage island, each containing redundancy elements or having the capability to access redundant memory elements in a neighboring voltage domain; a fuse cell stores configuration information for controlling the switching of memory elements of the plurality of memories; a shift register receives and retains configuration information on a memory array from the fuse cell corresponding to each memory; and a control circuit directs operation of the shift register. The shift register includes a shift portion for receiving the data of the configuration information and transferring the data to another shift register, and a latch portion for retaining the data inputted to the shift portion. The control circuit controls whether or not the data of the shift register, which is inputted to the shift portion, is to be retained in the latch portion.
REFERENCES:
patent: 6084803 (2000-07-01), Sredanovic et al.
patent: 6353570 (2002-03-01), Hwang et al.
patent: 6768694 (2004-07-01), Anand et al.
patent: 6798272 (2004-09-01), Lehmann
patent: 6963511 (2005-11-01), Ashizawa
patent: 7477564 (2009-01-01), Taniguchi et al.
patent: 2005/0076274 (2005-04-01), Nagai et al.
patent: 4026999 (1992-01-01), None
patent: 7320495 (1995-12-01), None
patent: 2002-261599 (2002-09-01), None
patent: 2003-109395 (2003-04-01), None
patent: 2004-133970 (2004-04-01), None
Office Action from U.S. Appl. No. 11/275,247, dated Jul. 2, 2008.
Notice of Allowance from U.S. Appl. No. 11/275,247, dated Sep. 9, 2008.
Mashima Isamu
Taniguchi Masayoshi
Usami Jun
International Business Machines - Corporation
Nguyen Dang T
Shimokaji & Associates P.C.
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