Static information storage and retrieval – Floating gate – Particular biasing
Patent
1996-02-21
1997-10-28
Zarabian, A.
Static information storage and retrieval
Floating gate
Particular biasing
36518519, G11C 1134
Patent
active
056823479
ABSTRACT:
A data reading method in a semiconductor storage device capable of storing three- or multi-valued data in one memory cell, in which the state of each memory cell is classified into a plurality of sets to thereby detect what set the present storage state of the memory cell belongs to. That is, several kinds of voltage values are applied to each memory cell to detect whether a current flows in the memory cell or not in accordance with the magnitude of the voltage values to thereby judge the present storage state of each memory cell.
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Horiguchi, et al., An Experimental Large-Capacity Semi-conductor File Memory Using 16-level/cell Storage, IEEE Journal of Solid-State Circuits, vol. 23, No. 1, Feb.. 1988, pp. 27-33.
Nippon Steel Corporation
Zarabian A.
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