Abstract
We demonstrate, for the first time, a ternary content-addressable memory (TCAM) architecture based on phase change nanoelectromechanical relays (PCNRs). The non-volatility (NV), high ON-OFF ratio (10 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">8</sup> ), and low leakage operation make PCNR an ideal candidate for high density TCAM. Additionally, PCNR devices are back-end-of-the-line (BEOL) compatible, allowing for a very small TCAM cell size of 18F2. A TCAM, with only 1 transistor and 2 PCNR devices (1T2P) per cell is simulated and it exhibits 133 ps search latency and 0.721 pJ energy consumption for 64 bits, making it one of the most competitive approaches for TCAM using beyond CMOS technologies.
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