Secure non-volatile memory device and method of protecting...

Details Secure non-volatile memory device and method of protecting... Secure non-volatile memory device and method of protecting...

2011-03-15

2011-03-15

Tran, Michael T (Department: 2827)

Static information storage and retrieval

Floating gate

Particular connection

C365S185240

Reexamination Certificate

active

07907447

ABSTRACT:
The invention relates to a non-volatile memory device comprising: an input for providing external data (D1) to be stored on the non-volatile memory device; and a first non-volatile memory block (100) and a second non-volatile memory block (200), the first non-volatile memory block (100) and the second non-volatile memory block (200) being provided on a single die (10), wherein the first non-volatile memory block (100) and second non-volatile memory block (200) are of a different type such that the first non-volatile memory block (100) and the second non-volatile memory block (200) require incompatible external attack techniques in order to retrieve data there from, the external data (D1) being stored in a distributed way (D1′, D1″) into both the first non-volatile memory block (100) and the second non-volatile memory block (200). The invention further relates to method of protecting data in a non-volatile memory device.

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patent: 2003/0161184 (2003-08-01), Lee et al.
patent: 2005/0068802 (2005-03-01), Tanaka
patent: 0 224 206 (1987-06-01), None
patent: 2004070730 (2004-08-01), None
C. De Nardi, et al; “Oxide Charge Measurements in EEPROM Devices”; Microelectronis Reliability, vol. 45; 2005; pp. 1514-1519.

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