Artículo
Novel pipeline architectures based on Negative Differential Resistance devices
Autor/es | Núñez Martínez, Juan
Avedillo de Juan, María José Quintana Toledo, José María |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2013-09 |
Fecha de depósito | 2024-01-25 |
Publicado en |
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Resumen | Devices exhibiting Negative Differential Resistance (NDR) in their I-V characteristic are attractive from the design point of view and circuits exploiting it have been reported showing advantages in terms of performance ... Devices exhibiting Negative Differential Resistance (NDR) in their I-V characteristic are attractive from the design point of view and circuits exploiting it have been reported showing advantages in terms of performance and/or cost. In particular, logic circuits based on the monostable to bistable operating principle can be built from the operation of two series connected NDR devices with a clocked bias. Monostable to Bistable Logic Element (MOBILE) gates allow compact implementation of complex logic function like threshold gates and are very suitable for the implementation of latch-free fine grained pipelines. This pipelining relies on the self-latching feature of MOBILE operation. Conventionally, MOBILE gates are operated in a gate level pipelined fashion using a four-phase overlapped clock scheme. However other simpler, and higher through-output interconnection schemes are possible. This paper describes latch-free MOBILE pipeline architectures with a single clock and with a two phase clock scheme which strongly rely on distinctive characteristics of the MOBILE operating principle. Both the proposed architectures are analyzed and experimentally validated. The fabricated circuits use a well-known transistor NDR circuit (MOS-NDR) and an efficient MOBILE gate topology built on its basis. Both solutions are compared and their distinctive characteristics with respect to domino based solutions are pointed out. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) |
Identificador del proyecto | TEC2010-18937
TEC2011-28302 |
Cita | Núñez Martínez, J., Avedillo de Juan, M.J. y Quintana Toledo, J.M. (2013). Novel pipeline architectures based on Negative Differential Resistance devices. Microelectronics Journal, 44 (9), 807-813. https://doi.org/10.1016/j.mejo.2013.06.012. |
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10.1016_j.mejo.2013.06.012.pdf | 738.0Kb | [PDF] | Ver/ | Versión aceptada |