MATEC Web Conf.
Volume 210, 201822nd International Conference on Circuits, Systems, Communications and Computers (CSCC 2018)
|Number of page(s)||7|
|Published online||05 October 2018|
Design Issues for NEM-Relay-Based SRAM Devices
Grup de Sistemes Electrònics (GSE), Universitat de les Illes Balears, Palma, Spain
* Corresponding author: firstname.lastname@example.org
We analyze the design constraints of six transistor SRAM cells that arise when using nanoelectromechanical relays. Comparisons are performed between a CMOS 6T conventional SRAM cell and various hybrid memory cells built by replacing a selection of MOSFET transistors with NEM relays. Impact on important memory cell parameters such as various reliability metrics like static noise margin and write noise margin and power consumption are evaluated from circuit simulations using a Verilog-A compact model of the nanomechanical relay. We found that the use of relays involve a new challenge in the design of SRAM hybrid devices as the readability and writeability of the resulting cells manifests a strong dependence with the value of the contact resistance of the NEM relay, a parameter that can experience important variations with the continued operation of the device.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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