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  •   Open Research
  • AUT Faculties
  • Faculty of Design and Creative Technologies (Te Ara Auaha)
  • School of Engineering, Computer and Mathematical Sciences - Te Kura Mātai Pūhanga, Rorohiko, Pāngarau
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Asynchronous Early Output Section-carry Lookahead Adder With Alias Carry Logic

Balasubramanian, P; Dang, C; Haskell, DL; Prasad, K
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http://hdl.handle.net/10292/12395
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Abstract
A new asynchronous early output section-carry based carry lookahead adder (SCBCLA) with alias carry output logic is presented in this paper. To evaluate the proposed SCBCLA with alias carry logic and to make a comparison with other CLAs, a 32-bit addition operation is considered. Compared to the weak-indication SCBCLA with alias logic, the proposed early output SCBCLA with alias logic reports 13.2% reduction in area without any increases in latency and power dissipation. On the other hand, in comparison with the early output recursive CLA (RCLA), the proposed early output SCBCLA with alias logic reports 16% reduction in latency while occupying almost the same area and dissipating almost the same average power. All the asynchronous CLAs are quasi-delay-insensitive designs which incorporate the delay-insensitive dual-rail data encoding and adhere to the 4-phase return-to-zero handshaking. The adders were realized and the simulations were performed based on a 32/28nm CMOS process.
Date
October 15, 2017
Source
Proceedings of the 30th International Conference on Microelectronics, pp. 293-298, 2017, Serbia.
Item Type
Conference Contribution
Publisher
IEEE
Publisher's Version
https://arxiv.org/abs/1710.05470
Rights Statement
Copyright © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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