PROJECT TITLE :
Normally-off Logic Based on Resistive Switches—Part I: Logic Gates
ABSTRACT:
To increase the scaling of digital integrated circuits, beyond-CMOS approaches based on advanced materials and novel switching concepts are strongly needed. Among these approaches, the resistive switching random access memory (RRAM) permits for fast and nonvolatile switching at scalable power consumption. This work presents functionally complete logic gates primarily based on RRAM technology. Logic computation is obtained through conditional switching in RRAM circuits with serially connected switches. AND, implication, NOT, and bit transfer operations are demonstrated, each using a single clock pulse, while alternative functions (e.g., OR and XOR) are achieved in multiple steps. The results support RRAM logic for normally-off digital circuits with extraordinarily high density.
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