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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Byungsub Kim Stojanovic, V. |
| Copyright Year | 2009 |
| Description | Author affiliation: Massachusetts Institute of Technology, Cambridge, USA (Byungsub Kim; Stojanovic, V.) |
| Abstract | This paper presents a transceiver for fast and energy-efficient global on-chip communication, consisting of a nonlinear charge-injecting (CI) 3-tap transmit filter (TX) and a sampling receiver (RX) with transimpedance pre-amplifier (TIA). Recently, pre-emphasis techniques [1–4] have demonstrated significantly better energy-efficiency than repeater interconnects. To further improve energy-efficiency over pre-emphasis techniques that require analog subtraction [3,5], our TX selects a pattern-dependent current to inject into the wire, performing feed-forward equalization (FFE) while mitigating the nonlinearity of the driver. This 3-tap charge-injecting (CI) FFE enables stronger equalization than the capacitively driven TX [1,2] or edge-detection pre-emphasis [4], achieving data-rate of 4Gb/s over a 1cm on-chip wire. The TIA at RX improves bandwidth, signal amplitude, and reduces bias power, breaking the trade-offs in conventional resistor termination [6], and mitigates equalized signal degradation due to impedance changes in dynamic current sensing [7]. |
| File Size | 1588882 |
| File Format | |
| ISBN | 9781424434589 |
| DOI | 10.1109/ISSCC.2009.4977310 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-02-08 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Filters Energy efficiency Wire Transceivers Sampling methods Repeaters Feedforward systems Bandwidth Resistors Degradation |
| Content Type | Text |
| Resource Type | Article |
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