Abstract
Nano-oscillators based on phase transitions materials (PTM) are being explored for the implementation of different non-conventional computing paradigms. This article describes the capability of such autonomous non-linear oscillators to store phase-encoded information. A latch based in sub-harmonic injection locking using an oscillator composed of a PTM device and a transistor is described. Resistive coupling is used to inject both a required synchronization signal and the input to be stored. Operation of the proposed latch implementation, the embedding of functionality into the latch and its application to frequency division are illustrated and validated by simulation.
Highlights
Phase-Transition Materials (PTMs), with their abrupt switching between states with very different resistivity, are being explored both for implementing emerging devices, and for developing non-boolean computational paradigms.Concerning the device application area, Phase-Change transistors (PCFETs) have been proposed by connecting a phase transitions materials (PTM) to the source terminal of a FET
This paper shows a different application for the PTM-based oscillators in the context of Phase-encoded Logic (PeL)
They are reported to consume more than one order of magnitude less energy per cycle than ultra-low-power ring oscillators. They occupy the second position in terms of energy efficiency, just after superconducting oscillators. In this simulation based paper, we show that the above-mentioned Sub-Harmonic Injection Locking (SHIL) latch can be implemented with the PTM based oscillator and illustrates different functionalities build upon it
Summary
Phase-Transition Materials (PTMs), with their abrupt switching between states with very different resistivity, are being explored both for implementing emerging devices, and for developing non-boolean computational paradigms. This paper shows a different application for the PTM-based oscillators in the context of Phase-encoded Logic (PeL). Relaxation oscillators based on PTMs exhibit good performance They are reported to consume more than one order of magnitude less energy per cycle than ultra-low-power ring oscillators. They occupy the second position (together with spin-hall oscillators) in terms of energy efficiency, just after superconducting oscillators. In this simulation based paper, we show that the above-mentioned SHIL latch can be implemented with the PTM based oscillator and illustrates different functionalities build upon it.
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