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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Fujiwara, K. Hoshina, H. Yamashiro, Y. Yoshikawa, N. |
| Copyright Year | 2002 |
| Abstract | The lack of a high-density and high-speed memory is a serious impediment for realization of large-scale RSFQ digital systems. A shift resister memory, which has high throughput and simple circuit structure, is one candidate to overcome this drawback. We show a design framework of the shift register memory, which is usable for the high-speed register files and the main memories of the RSFQ microprocessor. The proposed system consists of an array of shift registers and a packet decoder that switches a high-speed serial data stream into the specified shift register. The target clock frequency is 16 GHz assuming 2.5 kA/cm/sup 2/ Nb standard process. We have estimated the propagation delay and the circuit area of the data-driven self-timed (DDST) packet decoder. Based on this estimation, we have also evaluated the access time and the area of the memory system. Several key components, including the one-to-two packet switch and the one-to-four DDST packet decoder, were implemented and their correct operations were confirmed. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 555 |
| Ending Page | 558 |
| Page Count | 4 |
| File Size | 757156 |
| 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 | Shift registers Decoding Switches Packet switching Circuit testing Impedance Large-scale systems Digital systems Throughput Microprocessors |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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