US 2016/0079983 A1Published application

Reconfigurable circuit

AssigneeKabushiki Kaisha Toshiba

InventorsKosuke TATSUMURA, Masato ODA, Koichiro ZAITSU, Shinichi YASUDA

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Abstract

According to one embodiment, a reconfigurable circuit includes first, second, third and fourth circuit blocks arranged with a matrix, a first conductive line shared by the first and second circuit blocks, a second conductive line shared by the third and fourth circuit blocks, a third conductive line shared by the first and third circuit blocks, the third conductive line crossing the first and second conductive lines, a fourth conductive line shared by the second and fourth circuit blocks, the fourth conductive line crossing the first and second conductive lines, a first controller controlling voltages to be applied to the first and second conductive lines, and a second controller controlling voltages to be applied to the third and fourth conductive lines.

Claims19

Dependent claims

A reconfigurable circuit comprising:

first, second, third and fourth circuit blocks arranged with a matrix;
a first conductive line shared by the first and second circuit blocks;
a second conductive line shared by the third and fourth circuit blocks;
a third conductive line shared by the first and third circuit blocks, the third conductive line crossing the first and second conductive lines;
a fourth conductive line shared by the second and fourth circuit blocks, the fourth conductive line crossing the first and second conductive lines;
a first controller controlling voltages to be applied to the first and second conductive lines;
and
a second controller controlling voltages to be applied to the third and fourth conductive lines,
wherein each of the first, second, third and fourth circuit blocks comprises:
a fifth conductive line;
a sixth conductive line crossing the fifth conductive line;
a resistance change element including first and second terminals, the first terminal being connected to the fifth conductive line, the second terminal being connected to the sixth conductive line;
a first selecting element including first and second terminals as a current path, the first terminal being connected to the fifth conductive line;
and
a second selecting element including first and second terminals as a current path, the first terminal being connected to the sixth conductive line,
wherein the second terminal of the first selecting element in the first circuit block is connected to the first conductive line, and the second terminal of the second selecting element in the first circuit block is connected to the third conductive line,
wherein the second terminal of the first selecting element in the second circuit block is connected to the first conductive line, and the second terminal of the second selecting element in the second circuit block is connected to the fourth conductive line,
wherein the second terminal of the first selecting element in the third circuit block is connected to the second conductive line, and the second terminal of the second selecting element in the third circuit block is connected to the third conductive line,
wherein the second terminal of the first selecting element in the fourth circuit block is connected to the second conductive line, and the second terminal of the second selecting element in the fourth circuit block is connected to the fourth conductive line,
wherein one of the first and second selecting elements is a nonlinear resistance element, and the other of the first and second selecting elements is a nonlinear resistance element or a transistor.

17 more elements

A reconfigurable circuit comprising:

first, second, third and fourth circuit blocks arranged with a matrix;
a first conductive line shared by the first and second circuit blocks;
a second conductive line shared by the third and fourth circuit blocks;
a third conductive line shared by the first and third circuit blocks, the third conductive line crossing the first and second conductive lines;
a fourth conductive line shared by the second and fourth circuit blocks, the fourth conductive line crossing the first and second conductive lines;
a first controller controlling voltages to be applied to the first and second conductive lines;
and
a second controller controlling voltages to be applied to the third and fourth conductive lines,
wherein each of the first, second, third and fourth circuit blocks comprises:
a fifth conductive line;
a sixth conductive line crossing the fifth conductive line;
a resistance change element including first and second terminals, the first terminal being connected to the fifth conductive line, the second terminal being connected to the sixth conductive line;
a first nonlinear resistance element including first and second terminals as a current path, the first terminal being connected to the fifth conductive line;
and
a second nonlinear resistance element including first and second terminals as a current path, the first terminal being connected to the sixth conductive line,
wherein the second terminal of the first nonlinear resistance element in the first circuit block is connected to the first conductive line, and the second terminal of the second nonlinear resistance element in the first circuit block is connected to the third conductive line,
wherein the second terminal of the first nonlinear resistance element in the second circuit block is connected to the first conductive line, and the second terminal of the second nonlinear resistance element in the second circuit block is connected to the fourth conductive line,
wherein the second terminal of the first nonlinear resistance element in the third circuit block is connected to the second conductive line, and the second terminal of the second nonlinear resistance element in the third circuit block is connected to the third conductive line,
wherein the second terminal of the first nonlinear resistance element in the fourth circuit block is connected to the second conductive line, and the second terminal of the second nonlinear resistance element in the fourth circuit block is connected to the fourth conductive line.

16 more elements

Dependencies are inferred from the claim text.

Facts

Application: 14/842,195Filed 1 Sep 2015
Priority: JP 2014-18875417 Sep 2014
Published: 17 Mar 2016
Term ends: Not estimatedThe source records don’t support an estimate.

Classification29 codes

H03K 19/17728
Structural details of logic blocks: reconfigurable logic blocks, e.g. lookup tables
B82Y 10/00
Nanotechnology for information processing, storage or transmission
G11C 8/10
Arrangements for selecting an address in a digital store: decoders
G11C 8/12
Arrangements for selecting an address in a digital store: group selection circuits, e.g. for memory block selection, chip selection, array selection