Common flash interface implementation for a simultaneous operation flash memory device
AssigneesAdvanced Micro Devices, Inc., Fujitsu Limited
InventorsYasushi Kasa, Fan W. Lai
Life of this patent
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Abstract
An alterable Common Flash Interface (“CFI”) is disclosed which includes a storage array which stores the CFI data. The storage array provides sub-circuits for encoding the CFI data. The sub-circuits comprise elements which can be altered by changing a single metal layer of the fabrication process.
Claims20
A common flash interface (CFI) component for a flash memory integrated circuit comprising:
- an array comprising an address input, a data output, a first core circuit and a second core circuit, wherein said first core circuit comprises a code circuit and said second core circuit comprises a metal option circuit;
- and wherein
- said metal option circuit comprises a metal layer connection.
A common flash interface (CFI) comprising:
- an array including an address input, a data output and first and second core circuits, said first core circuit including a code circuit and said second core circuit including a metal option circuit;
- said metal option circuit including one or more metal layer connections.
A common flash interface (“CFI”) comprising:
- means for storing CFI data;
- means for altering said CFI data by changing only a single metal.
A method of altering a common flash interface of a flash memory integrated circuit comprising:
- providing an array for storing a plurality of CFI data;
- storing said plurality of CFI data in said array using metal option circuits comprising a second metal layer;
- altering one or more of said plurality of CFI data by changing said second metal layer.
A common flash interface (CFI) component for a flash memory integrated circuit comprising:
- an array comprising an address input, a data output, a first core circuit and a second core circuit, wherein said first core circuit comprises a code circuit and said second core circuit comprises a metal option circuit;
- and wherein
- said metal option circuit comprises a metal layer connection.
A common flash interface (CFI) comprising:
- an array including an address input, a data output and first and second core circuits, said first core circuit including a code circuit and said second core circuit including a metal option circuit;
- said metal option circuit including one or more metal layer connections.
A method of altering a common flash interface of a flash memory integrated circuit comprising:
- providing an array for storing a plurality of CFI data;
- storing said plurality of CFI data in said array using metal option circuits comprising a second metal layer;
- altering one or more of said plurality of CFI data by changing said second metal layer.
Dependencies are inferred from the claim text.