IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0343304
(2006-01-31)
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등록번호 |
US-7405462
(2008-07-29)
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발명자
/ 주소 |
- Snider,Gregory S.
- Kuekes,Philip J.
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출원인 / 주소 |
- Hewlett Packard Development Company, L.P.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
14 |
초록
▼
Reconfigurable logic devices and methods of programming the devices are disclosed. The logic device includes a look-up table (LUT) and at least one storage element configured for sampling LUT output signals. The LUT comprises a plurality of input signals, an array of programmable impedance devices
Reconfigurable logic devices and methods of programming the devices are disclosed. The logic device includes a look-up table (LUT) and at least one storage element configured for sampling LUT output signals. The LUT comprises a plurality of input signals, an array of programmable impedance devices operably coupled to the input signals, and the LUT output signals. Each programmable impedance device in the array includes a first electrode operably coupled to one of the input signal, a second electrode disposed to form a junction wherein the second electrode at least partially overlaps the first electrode, and a programmable material disposed between the first electrode and the second electrode. The programmable material operably couples the first electrode and the second electrode such that each programmable impedance device exhibits a non-volatile programmable impedance. The array may be configured as a one-dimensional or two-dimensional array.
대표청구항
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What is claimed is: 1. A reconfigurable logic device, comprising: a look-up table (LUT), comprising; a plurality of LUT input signals; an array of programmable impedance devices operably coupled to the plurality of LUT input signals, each programmable impedance device comprising: a first electrode
What is claimed is: 1. A reconfigurable logic device, comprising: a look-up table (LUT), comprising; a plurality of LUT input signals; an array of programmable impedance devices operably coupled to the plurality of LUT input signals, each programmable impedance device comprising: a first electrode operably coupled to one of the plurality of LUT input signal; a second electrode disposed to form a junction wherein the second electrode at least partially overlaps the first electrode; and a programmable material disposed between the first electrode and the second electrode at least at the junction, the programmable material operably coupling the first electrode and the second electrode such that each programmable impedance device exhibits a non-volatile programmable impedance; at least one LUT output signal operably coupled to at least one of the array of programmable impedance devices; and at least one storage element configured for sampling the at least one LUT output signal. 2. The device of claim 1, wherein the non-volatile programmable impedance may be reconfigurably decreased by the application of voltage, current, or voltage and current with sufficient magnitude and direction, between the first electrode and the second electrode. 3. The device of claim 1, wherein the non-volatile programmable impedance may be reconfigurably increased by the application of voltage, current, or voltage and current with sufficient magnitude and sign, between the first electrode and the second electrode. 4. The device of claim 1, wherein the junction comprises at least one lateral dimension in micrometers. 5. The device of claim 1, wherein the junction comprises at least one lateral dimension in nanometers. 6. The device of claim 1, wherein the first electrode comprises a material selected from the group consisting of platinum, aluminum, silicon, and tungsten. 7. The device of claim 1, wherein the second electrode comprises a material selected from the group consisting of titanium, aluminum, chromium, and platinum. 8. The device of claim 1, wherein the programmable material is selected from the group consisting of eicosanoic acid, stearic acid, poly (methyl methacrylate), fast-blue, chlorophyll-B, and tantalum oxide. 9. The device of claim 1, wherein the programmable material comprises a monolayer. 10. The device of claim 1, wherein the programmable material comprises a plurality of monolayers. 11. The device of claim 1, wherein the LUT further comprises at least one additional programmable impedance device configured as a redundant device and further configured to replace at least one programmable impedance device of the array of programmable impedance devices. 12. The device of claim 1, wherein the array of programmable impedance devices is disposed on a substrate, the substrate including at least one conventional device selected from the group consisting of electronic devices, optical devices, mechanical devices, and combinations thereof.
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