1. Memristors and Related Applications ShaharKvatinsky, Eby G. Friedman, AvinoamKolodny, and Uri C. Weiser May 4, 2011

2. Agenda Memristive systems theory Practical memristors Memristor-based applications

3. Three Fundamental Circuit Elements Resistor Capacitor Resistor Georg Ohm 1827 Inductor Capacitor von Kleist 1745 Inductor Michael Faraday 1831

4. Three Fundamental Circuit Elements v Resistor Capacitor q i Inductor φ

5. The Missing Circuit Element v Resistor Capacitor q i Inductor ? φ L.O. Chua, “Memristor – The Missing Circuit Element,” IEEE Trans., 1971

6. Memristor 1971 v Resistor Capacitor q i Inductor Memristor φ Memristor Leon Chua 1971 L.O. Chua, “Memristor – The Missing Circuit Element,” IEEE Trans., 1971

7. Memristor Characteristics Hysteresis in I-V curve A resistor with memory Analog device Non-volatile

8. Agenda Memristive systems theory Practical memristors Memristor-based applications

9. Hewlett-Packard Memristor, 2008 Based on TiOx switch D.B. Strukov et al, “The missing memristor found,” Nature, 2008

10. More Practical Memristors STT-MRAM Spintronic memristors Organic memristors Si memristive devices

11. Practical Memristors Characterization Scalable Fast CMOS compatible

12. Agenda Memristive systems theory Practical memristors Memristor-based applications

13. Memory Stores resistance rather than charge No leakage current Non-volatile As fast as DRAM Multilevel memory

14. Neuromorphic Systems Behave similar to a biological synapse Building block within neuromorphic systems

15. Analog Circuits Programmable analog circuits Chaotic oscillators Many possible analog circuit types

16. Logic Configurable switches in FPGA IMPLY gate Hybrid CMOS-memristor circuits

17. Summary Memristors characterization Non-volatile High density No leakage current Fast CMOS compatible

18. Conclusions Memristors open new opportunities for a variety of applications such as memory, neuromorphic systems, and analog and digital circuits Can combine memory and logic Need for novel design methodologies and architectures

19. Thank You!

20. Backup 20

21. My Research Design methodology for memristor-based logic Memristor models Architecture insight Improving reading method for memristor-based memory