Read-only memory device with securing function and accessing method thereof
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United States of America Patent
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May 28, 2013
Grant Date -
Dec 31, 2009
app pub date -
Sep 1, 2009
filing date -
Jan 19, 2007
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Abstract
The present invention provides a memory device and a method for accessing the memory device thereof. The memory device comprises an address encoding selector for selecting one of plurality of encoding circuits which encodes a first address into a second address, and a data decoding selector for selecting one of plurality of decoding circuits which decodes a first data corresponding to the second address into a second data and a non-volatile memory, coupled to address encoding selector and the data decoding selector, for storing the first data. The method for accessing the memory device comprises encoding a first address into a second address by an address encoding selector, and decoding a first data corresponding to the second address into a second data by a data decoding selector, wherein the first data being stored in the non-volatile memory.
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