A low-complexity current-mode WTA circuit based on CMOS Quasi-FG inverters

Molinar Solis, Jesús Ezequiel; SANCHEZ GASPARIANO, LUIS ABRAHAM; GARCIA LOZANO, RODOLFO ZOLA; PONCE PONCE, VICTOR HUGO; OCAMPO HIDALGO, JUAN JESUS; MOLINA LOZANO, HERON; DIAZ SANCHEZ, ALEJANDRO

A low-complexity current-mode WTA circuit based on CMOS Quasi-FG inverters

Molinar Solis, Jesús Ezequiel; SANCHEZ GASPARIANO, LUIS ABRAHAM; GARCIA LOZANO, RODOLFO ZOLA; PONCE PONCE, VICTOR HUGO; OCAMPO HIDALGO, JUAN JESUS; MOLINA LOZANO, HERON; DIAZ SANCHEZ, ALEJANDRO

URI: http://hdl.handle.net/20.500.11799/39483

Fecha: 2011

Resumen:

In this paper, a low-complexity current-mode Winner-Take-All circuit (WTA) of O (n) complexity with logical outputs is presented. The proposed approach employs a Quasi-FG Inverter as the key element for current integration and the computing of the winning cell. The design was implemented in a double-poly, three metal layers, 0.5µm CMOS technology. The circuit exhibits a good accuracy-speed tradeoff when compared to other reported WTA architectures.

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