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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Onomi, T. Horima, Y. Kobori, M. Shimizu, I. Nakajima, K. |
| Copyright Year | 2002 |
| Abstract | We report the preliminary designs and the experimental results of high-speed digital processing elements based on phase-mode logic circuits. The core cell of these elements is a bit-serial adder cell consisting of the ICF gate which is the basic gate of phase-mode logic. Our main target is the application of the logic circuits to Digital Signal Processing. The basic arithmetic operations of DSP are a multiplication and an addition. Basic concept of the phase-mode pipelined parallel multiplier has been proposed previously. We design a 2 /spl times/ 2 AND array block and a 2-bit ripple-carry adder for the primitive parallel pipelined multiplier and also a 2-bit subtractor with a pipelined structure. These processing elements have been fabricated using NEC standard 2.5 kA/cm/sup 2/ Nb/AlOx/Nb process. The low-speed test results of these elements show correct operations. Numerical simulations show that a carry save adder (a 2-bit ripple carry adder) can operate over 10 GHz. We also discuss the prospects of large-scale SFQ DSP based on Nb junction technology. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 583 |
| Ending Page | 586 |
| Page Count | 4 |
| File Size | 2100573 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 13 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Arithmetic Signal processing Adders Digital signal processing Niobium Logic circuits Logic gates National electric code Testing Numerical simulation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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