IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0951924
(2010-11-22)
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등록번호 |
US-8492886
(2013-07-23)
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발명자
/ 주소 |
- Or-Bach, Zvi
- Wurman, Ze'ev
|
출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
67 인용 특허 :
318 |
초록
▼
An integrated circuit including a first layer of logic circuits, and a second layer of logic circuits overlaying the first layer, wherein the first layer includes a multiplicity of flip-flops wherein each of the flip-flops has at least one connection to the second layer, and wherein the second layer
An integrated circuit including a first layer of logic circuits, and a second layer of logic circuits overlaying the first layer, wherein the first layer includes a multiplicity of flip-flops wherein each of the flip-flops has at least one connection to the second layer, and wherein the second layer includes at least one logic circuit with inputs including the connection and with at least one output connected to the first layer.
대표청구항
▼
1. An integrated circuit comprising: a first layer of logic circuits, anda second layer of logic circuits overlaying said first layer, wherein said first layer comprises a multiplicity of flip-flops wherein each of said flip-flops has at least one connection to said second layer, and whereinsaid sec
1. An integrated circuit comprising: a first layer of logic circuits, anda second layer of logic circuits overlaying said first layer, wherein said first layer comprises a multiplicity of flip-flops wherein each of said flip-flops has at least one connection to said second layer, and whereinsaid second layer comprises at least one logic circuit with inputs comprising said connection and with at least one output connected to said first layer. 2. A circuit according to claim 1 wherein said at least one logic circuit overlays a said first layer logic circuit and wherein said first layer logic circuit is substantially the same as said at least one logic circuit. 3. A circuit according to claim 1 wherein said first layer comprises a selector to select between said output and a signal generated within said first layer. 4. A circuit according to claim 3, further comprising a controller adapted to perform testing of said first layer logic circuits and control said selector. 5. A circuit according to claim 2, further comprising a comparator to compare said output to a signal generated by said first layer logic circuit. 6. A circuit according to claim 3, further comprising a Built-In-Self-Test (BIST) circuit. 7. A circuit according to claim 3 wherein the output of said selector is an input to at least one of first layer said flip-flops. 8. A circuit according to claim 1 wherein said second layer is substantially the same as said first layer. 9. An integrated circuit according to claim 3, wherein said first layer comprises a combinatorial function with function inputs and one function output, and whereinsaid function inputs are connected to said at least one connection and said signal is connected to said function output. 10. An integrated circuit comprising: a first layer of logic circuits, anda second layer of logic circuits overlaying said first layer, wherein said first layer comprises a multiplicity of logic-cones,wherein each of said logic-cones has a multiplicity of cone-inputs,wherein each of said cone-inputs is an output of a flip-flop,wherein each of said logic-cones has a multiplicity of logic gates forming a combinatorial function of said cone-inputs, wherein said function has a cone-output,wherein said second layer comprises at least one logic circuit,wherein at least one of said logic-cones has a cone-input connected to said at least one logic circuit, andwherein said at least one logic circuit has a circuit-output which is connected to said first layer. 11. A circuit according to claim 10 wherein said at least one logic circuit overlays said at least one of said logic-cones. 12. A circuit according to claim 10 wherein said at least one logic circuit is substantially the same as said at least one of said logic-cones. 13. A circuit according to claim 10 wherein said first layer comprises a selector to select between said circuit-output and a cone-output of said at least one of said logic-cones. 14. A circuit according to claim 13, further comprising a controller which is adapted to perform testing of said first layer logic circuits and control said selector. 15. A circuit according to claim 10, further comprising a comparator to compare said circuit-output and cone-output of said at least one of said logic-cones. 16. A circuit according to claim 10, further comprising a Built-In-Self-Test (BIST) circuit. 17. A circuit according to claim 13 wherein the output of said selector is an input to first layer flip-flop. 18. A circuit according to claim 10 wherein said second layer is substantially the same as said first layer. 19. A circuit according to claim 13 wherein said selector comprises non-volatile programming. 20. An integrated circuit comprising: a first layer of logic circuits, anda second layer of logic circuits overlaying said first layer, wherein said first layer comprises a first combinatorial function, and said second layer comprises a second combinatorial function,wherein said second combinatorial function overlays said first combinatorial function,wherein said second combinatorial function is substantially the same as said first combinatorial function,wherein said first layer comprises a multiplicity of flip-flops each flip-flop having connections to said second layer and wherein said connections are connected to the inputs to said second combinatorial function. 21. A circuit according to claim 20 wherein said connections are connected to the inputs to said first combinatorial function. 22. A circuit according to claim 20 wherein the output of said second combinatorial function is connected to said first layer. 23. A circuit according to claim 22 wherein said first layer comprises a selector to select between said output and a signal generated within said first layer. 24. A circuit according to claim 23, further comprising a controller which is adapted to perform testing of said first layer logic circuits and control said selector. 25. A circuit according to claim 23 wherein the output of said selector is an input to first layer said flip-flop. 26. An integrated circuit comprising: a first layer of logic circuits, anda second layer of logic circuits overlaying said first layer, wherein said first layer comprises a first combinatorial function, and said second layer comprises a second combinatorial function,wherein said second combinatorial function overlays said first combinatorial function,wherein said second combinatorial function is substantially the same as said first combinatorial function; anda Built-In-Self-Test (BIST) circuit.
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