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SCAN90004TVS Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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SCAN90004TVS Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page SCAN90004 4-Channel LVDS Buffer/Repeater with Pre-Emphasis and IEEE 1149.6 General Description The SCAN90004 is a four channel 1.5 Gbps LVDS buffer/ repeater. High speed data paths and flow-through pinout minimize internal device jitter and simplify board layout, while configurable pre-emphasis overcomes ISI jitter effects from lossy backplanes and cables. The differential inputs interface to LVDS, and Bus LVDS signals such as those on National’s 10-, 16-, and 18- bit Bus LVDS SerDes, as well as CML and LVPECL. The differential inputs and outputs are internally terminated with a 100 Ω resistor to improve perfor- mance and minimize board space. The repeater function is especially useful for boosting signals for longer distance transmission over lossy cables and backplanes. Integrated IEEE 1149.1 (JTAG) and 1149.6 circuitry supports testability of both single-ended LVTTL/CMOS and high- speed differential LVDS interconnects. The 3.3V supply, CMOS process, and LVDS I/O ensure stable high perfor- mance at low power over the entire industrial -40 to +85˚C temperature range. Features n 1.5 Gbps data rate per channel n Configurable pre-emphasis drives lossy backplanes and cables n Low output skew and jitter n Hot plug protection n LVDS/CML/LVPECL compatible input, LVDS output n On-chip 100 Ω input and output termination n 15 kV ESD protection on LVDS inputs and outputs n IEEE 1149.1 and 1149.6 compliant n Fault Insertion n Single 3.3V supply n Very low power consumption n Industrial -40 to +85˚C temperature range n Small TQFP Package Footprint n Evaluation Kit Available n See DS90LV004 for non-JTAG version 20113001 SCAN90004 Block Diagram 20113002 Pinout - Top View November 2005 © 2005 National Semiconductor Corporation DS201130 www.national.com |
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