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A Method for Growing Bio-memristors from Slime Mold
Published on: November 2, 2017
A hybrid nanomemristor/transistor logic circuit capable of self-programming
Julien Borghetti1, Zhiyong Li, Joseph Straznicky
1Information and Quantum Systems Lab, Hewlett-Packard Laboratories, 1501 Page Mill Road, Palo Alto, CA 94304, USA.
Summary
Integrated memristor (memory resistor) and transistor circuits perform complex logic operations. This hybrid technology enables self-programmed logic arrays and advances electronic synaptic computing.
Area of Science:
- * Materials Science and Engineering
- * Electrical Engineering and Computer Science
Background:
- * Development of novel memory resistor (memristor) devices is crucial for next-generation computing.
- * Integration of memristors with traditional semiconductor technologies like silicon metal-oxide-semiconductor field-effect transistors (Si MOS FETs) offers enhanced functionality.
- * Hybrid circuits combining nonvolatile memory and active transistors are key for advanced computational architectures.
Purpose of the Study:
- * To fabricate fully integrated hybrid memristor/transistor circuits on a single substrate.
- * To demonstrate the capability of memristor crossbars to perform digital logic functions and act as routing fabric.
- * To explore the potential of memristor crossbars for conditional programming and electronic synaptic computing.
Main Methods:
- * Fabrication of memristor crossbars at 40 nm half-pitch using nanoimprint lithography.
- * Integration of memristor crossbars with Si MOS FET arrays on the same substrate.
- * Implementation of Boolean logic operations using resistor-based logic within the memristor crossbar and FET inverter/amplifier outputs.
- * Demonstration of conditional programming by routing logic operation outputs back to memristors.
Main Results:
- * Successful fabrication of fully integrated hybrid memristor/transistor circuits.
- * Demonstrated execution of compound Boolean logic operations (e.g., (A AND B) OR (C AND D)) at kilohertz frequencies.
- * Memristor crossbars effectively served as logic units, routing fabric, and information storage targets.
- * Conditional programming of the crossbar by setting nonvolatile switch states was achieved.
Conclusions:
- * The hybrid memristor/transistor circuits offer a pathway to highly integrated and functional computing systems.
- * The demonstrated logic and routing capabilities pave the way for self-programmed logic arrays.
- * This technology holds significant promise for advancing the field of electronic synaptic computing.
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