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The DS36277 Dominant Mode Multipoint Transceiver is designed for use on bi-directional differential busses. It is optimal for use on Interfaces that utilize Society of Automotive Engineers (SAE) J1708 Electrical Standard.
The device is similar to standard TIA/EIA-485 transceivers, but differs in enabling scheme. The Driver's Input is normally externally tied LOW, thus providing only two states: Active (LOW), or Disabled (OFF). When the driver is active, the dominant mode is LOW, conversely, when the driver is disabled, the bus is pulled HIGH by external bias resistors.
The receiver provides a FAILSAFE feature that ensures a known output state when the Interface is in the following conditions: Floating Line, Idle Line (no active drivers), and Line Fault Conditions (open or short). The receiver output is HIGH for the following conditions: Open Inputs, Terminated Inputs (50Ω), or Shorted Inputs. FAILSAFE is a highly desirable feature when the transceivers are used with Asynchronous Controllers such as UARTs.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | DS36277 Dominant Mode Multipoint Transceiver datasheet (Rev. E) | 23 Apr 2013 | |
| Application note | AN-1031 TIA/EIA-422-B Overview (Rev. B) | 26 Apr 2013 | ||
| Application note | AN-1057 Ten Ways to Bulletproof RS-485 Interfaces (Rev. B) | 26 Apr 2013 | ||
| Application note | AN-915 Automotive Physical Layer SAE J1708 and the DS36277 (Rev. B) | 26 Apr 2013 |
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| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
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