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Partname:DS3893A
Description:BTL TURBOTRANSCEIVER??
Manufacturer:National Semiconductor
Datasheet:PDF (618K).
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The TURBOTRANSCEIVER is designed for use in very high speed bus systems. The bus terminal characteristics of the TURBOTRANSCEIVER are referred to as "Backplane Transceiver Logic" (BTL). BTL is a new logic signaling standard that has been developed to enhance the performance of backplane buses. BTL compatible transceivers feature low output capacitance drivers to minimize bus loading, a 1V nominal signal swing for reduced power consumption and receivers with precision thresholds for maximum noise immunity. This new standard eliminates the settling time delays, that severely limit the TTL bus performance, to provide significantly higher bus transfer rates. The TURBOTRANSCEIVER is compatible with the requirements of the proposed IEEE 896 Futurebus draft standard. It is similar to the DS3896/97 BTL TRAPEZOIDALTM Transceivers but the trapezoidal feature has been removed to improve the propagation delay. A stripline backplane is therefore required to reduce the crosstalk induced by the faster rise and fall times. This device can drive a 10 load with a typical propagation delay of 3.5 ns for the driver and 5 ns for the receiver.

Click here to download DS3893A Datasheet
Click here to download DS3893A Datasheet
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