Crossbar switch type memory circuit, look-up table circuit, and programming method
US10074421B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2016 |
| Grant date | Sep 11, 2018 |
| Priority date | — |
| Expiry date | Mar 1, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2213/75
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In order to provide a crossbar switch type memory circuit designed to be usable in normal circumstances even when a resistance change element is in an adverse state, the present invention is provided with: a first unit including a first column wiring to which one end of a first resistance change element is connected, a first power supply-side transistor for controlling the connection of the first column wiring and a power supply node, a first ground-side transistor, of a reverse operation type to the first power supply-side transistor, for controlling the connection of the first column wiring and a ground node, and a first polarity control line for causing the first power supply-side transistor or the first ground-side transistor to turn on and the other to turn off by a polar signal from a polar signal terminal, the first polarity control line being connected to the control terminals of the first power supply-side transistor and first ground-side transistor; a second unit including a second column wiring to which one end of a second resistance change element is connected, a second power supply-side transistor, of the same operation type as the first power supply-side transistor, f…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.