Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

1993-08-18

1995-06-20

Popek, Joseph A.

Static information storage and retrieval

Systems using particular element

Semiconductive

36518912, 36523006, 365104, G11C 1134

Patent

active

054266050

ABSTRACT:
A semiconductor memory device includes an array of rows and columns of field effect transistors (FETs) which provide memory locations. The FET gate electrodes in each row are connected to a respective row conductor and the FET first and second main electrodes in each column are connected to respective adjacent column conductors so that the second main electrodes in one column are connected to the first electrodes of the FETs in any adjacent column. Circuitry is provided for storing data at and reading data from the memory locations. The circuitry stores data at a desired memory location by applying a first predetermined voltage V.sub.g.sup.W to a selected row conductor and a second predetermined voltage V.sub.d.sup.W to a selected column conductor for establishing within each FET which has its gate electrode connected to the selected row conductor and one main electrode connected to the selected column conductor an electric field for causing a change in the current conduction characteristics of the part of its conduction channel region adjacent the selected column conductor when the difference between the first and second predetermined voltages exceeds a critical voltage so that data is stored at the desired memory location which is provided by the respective part of the conduction channel region adjacent the selected column conductor of each FET connected to the selected column conductor.

REFERENCES:
patent: 4173766 (1979-11-01), Hayes
patent: 4173791 (1979-11-01), Bell
patent: 4242737 (1980-12-01), Bate
patent: 4451904 (1984-05-01), Sugiura et al.
patent: 5202848 (1993-04-01), Nakagawara

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