Back to results
US 12,620,993 B1Granted
Ballistic superconducting circuit for asynchronous reversible logic element
AssigneeNational Technology & Engineering Solutions of Sandia, LLC
InventorsRupert M. Lewis, Michael P. Frank, Steven B. Kaplan
Life of this patent
Estimating the term…
Abstract
A ballistic, asynchronous logic circuit includes a controlled barrier which has a reversible memory cell and a polarity filter. The polarity filter is inductively coupled to the reversible memory cell. The circuit includes first and second polarity separators connected to the controlled barrier. The circuit includes a circulator connected to the controlled barrier.
Claims20
A ballistic, asynchronous logic circuit comprising:
- a pair of control inputs;
- a pair control outputs;
- a pair of data inputs;
- a pair of data outputs;
- a pair of complementary data outputs;
- a first polarity separator having a pair of first terminals connected to the control inputs and having a pair of second terminals and a pair of third terminals;
- a circulator having a pair of first terminals connected to the pair of data inputs, a pair of second terminals connected to the pair of complementary data outputs and having a pair of third terminals;
- a second polarity separator having a pair of first terminals, a pair of second terminals connected to the second terminals of the first polarity selector and a pair of third terminals connected to the control outputs;
- and a superconducting controlled barrier having a pair of first terminals connected to the third terminals of the first polarity selector, a pair of second terminals connected to the third terminals of the circulator, a pair of third terminals connected to the first terminals of the second polarity selector and a pair of fourth terminals connected to the pair of complementary data outputs.
6 more elements
A ballistic, asynchronous logic circuit comprising:
- a first polarity separator having a pair of first terminals coupled to receive to control input fluxons and having a pair of second terminals and a pair of third terminals;
- a circulator having a pair of first terminals coupled to receive to data input fluxons, a pair of second terminals configured to provide complementary output data fluxons and having a pair of third terminals;
- a second polarity separator having a pair of first terminals, a pair of second terminals connected to the second terminals of the first polarity separator and a pair of third terminals configured to provide control output fluxons;
- and
- a superconducting controlled barrier having a pair of first terminals connected to the third terminals of the first polarity selector, a pair of second terminals connected to the third terminals of the circulator, a pair of third terminals connected to the first terminals of the second polarity selector and a pair of fourth terminals configured to provide output data fluxons.
2 more elements
A superconducting controlled barrier comprising:
- a reversible memory cell comprising:
- a pair of first terminals configured to receive control fluxons and a pair of second terminals configured to receive ejected fluxons;
- and
- a polarity filter comprising:
- a pair of first terminals configured to receive input data fluxons;
- a pair of second terminals configured to provide output data fluxons,
- wherein the polarity filter is inductively coupled to the reversible memory cell.
4 more elements
Dependencies are inferred from the claim text.