Ponencia
Experimental Body-input Three-stage DC offset Calibration Scheme for Memristive Crossbar
Autor/es | Mohan, Charanraj
Camuñas Mesa, Luis Alejandro Vianello, Elisa Reita, Carlo Rosa Utrera, José Manuel de la Serrano Gotarredona, María Teresa Linares Barranco, Bernabé |
Departamento | Universidad de Sevilla. Departamento de Arquitectura y Tecnología de Computadores |
Fecha de publicación | 2020 |
Fecha de depósito | 2021-06-28 |
Publicado en |
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ISBN/ISSN | 978-1-7281-3320-1 |
Resumen | Reading several ReRAMs simultaneously in a neuromorphic
circuit increases power consumption and limits scalability.
Applying small inference read pulses is a vain attempt
when offset voltages of the read-out circuit are ... Reading several ReRAMs simultaneously in a neuromorphic circuit increases power consumption and limits scalability. Applying small inference read pulses is a vain attempt when offset voltages of the read-out circuit are decisively more. This paper presents an experimental validation of a three-stage calibration scheme to calibrate the DC offset voltage across the rows of the memristive crossbar. The proposed method is based on biasing the body terminal of one of the differential pair MOSFETs of the buffer through a series of cascaded resistor banks arranged in three stages- coarse, fine and finer stages. The circuit is designed in a 130 nm CMOS technology, where the OxRAM-based binary memristors are built on top of it. A dedicated PCB and other auxiliary boards have been designed for testing the chip. Experimental results validate the presented approach, which is only limited by mismatch and electrical noise. |
Identificador del proyecto | 687299 NeuRAM3
824164 HERMES 871501 NeurONN 871371 MeM-Scales TEC2015-63884-C2-1-P (COGNET) G0086 ICON |
Cita | Mohan, C., Camuñas Mesa, L.A., Vianello, E., Reita, C., Rosa Utrera, J.M.d.l., Serrano Gotarredona, M.T. y Linares Barranco, B. (2020). Experimental Body-input Three-stage DC offset Calibration Scheme for Memristive Crossbar. En 2020 IEEE International Symposium on Circuits and Systems (ISCAS) Sevilla (España): IEEE. |
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