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SN74GTLP817,pdf(GTLP-to-LVTTL

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  • 标      签: driver

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The SN74GTLP817 is a medium-drive fanout driver that provides LVTTL-to-GTLP and GTLP-to-LVTTL signal-level translaTIon. The device provides a high-speed interface between cards operaTIng at LVTTL logic levels and a backplane operaTIng at GTLP signal levels. High-speed (about three TImes faster than standard TTL or LVTTL) backplane operation is a direct result of GTLP reduced output swing (<1 V), reduced input threshold levels, improved differential input, and OEC™ circuitry. The improved GTLP OEC circuitry minimizes bus settling time and has been designed and tested using several backplane models. The medium drive allows incident-wave switching in heavily loaded backplanes with equivalent load impedance down to 19 .
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