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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Patra, P. Polonsky, S. Fussell, D.S. |
| Copyright Year | 1997 |
| Description | Author affiliation: Intel Corp., Hillsboro, OR, USA (Patra, P.) |
| Abstract | Asynchronous designs have been touted as having potential advantages in average performance, power consumption, modularity and tolerance of metastability as compared to traditional synchronous logic. While delay-insensitive (DI) asynchronous circuits are theoretically the most desirable type of asynchronous logic because they make the weakest timing assumptions, the complexity of implementing DI circuits in CMOS or similar technologies may make them impractical to use. The fact that event-based DI circuits are ill matched to CMOS does not necessarily mean that they are inherently inefficient, however. In this paper we show that using Rapid Single Flux Quantum (RSFQ) superconducting circuits, in which information is represented as discrete voltage pulses or magnetic flux quanta, many powerful DI circuit primitives can be implemented at least as efficiently as Boolean logic gates. Since DI logic also alleviates the severe clock skew problems that can be expected at the switching speeds approaching a terahertz in this technology, it may well be a more practical basis for digital circuit design than alternatives traditionally used for CMOS. |
| Starting Page | 42 |
| Ending Page | 53 |
| File Size | 1458944 |
| Page Count | 12 |
| File Format | |
| ISBN | 0818679220 |
| DOI | 10.1109/ASYNC.1997.587144 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1997-04-07 |
| Publisher Place | Netherlands |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Delay Superconducting logic circuits CMOS logic circuits CMOS technology Logic design Magnetic circuits Logic gates Energy consumption Metastasis Asynchronous circuits |
| Content Type | Text |
| Resource Type | Article |
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