Static information storage and retrieval – Read/write circuit – Having fuse element
Reexamination Certificate
2007-02-13
2007-02-13
Elms, Richard (Department: 2824)
Static information storage and retrieval
Read/write circuit
Having fuse element
C365S230030, C326S039000, C326S041000
Reexamination Certificate
active
11015265
ABSTRACT:
In accordance with one embodiment of the present invention, a programmable logic device includes at least one block of memory having a plurality of memory cells and a plurality of fuses adapted to provide a first set of signals that determines a first configuration for the at least one block of memory. A plurality of multiplexers are adapted to select the first set of signals from the plurality of fuses to configure the at least one block of memory in the first configuration or a second set of signals to configure the at least one block of memory in a second configuration.
REFERENCES:
patent: 5550782 (1996-08-01), Cliff et al.
patent: 5811987 (1998-09-01), Ashmore et al.
patent: 6157210 (2000-12-01), Zaveri et al.
patent: 6201404 (2001-03-01), Reddy et al.
Chen et al., Programmable Broadcast Initialization of Memory Blocks, U.S. Appl. No. 10/641,260, filed Aug. 13, 2003.
Chen Zheng
Hume Christopher
Nguyen Nhon
Vernenker Hemanshu
White Allen
Elms Richard
Lattice Semiconductor Corporation
MacPherson Kwok & Chen & Heid LLP
Michelson Greg J.
Wendler Eric J.
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