Static information storage and retrieval – Floating gate – Particular biasing
Patent
1994-12-23
1996-05-07
Nelms, David C.
Static information storage and retrieval
Floating gate
Particular biasing
365168, G11C 1134
Patent
active
055153216
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 Semiconductor File Memory Using 16-levels/cell Storage, IEEE Journal of Solid-State Circuits, vol. 23, No. 1, Feb. 1988, pp. 27-33.
Nelms David C.
Nippon Steel Corporation
Zarabiah A.
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