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Description

The SCM3402ASI is a 3.3V powered, half-duplex, low-power RS-485 transceiver that fully meets the requirements of the TIA/EIA-485 standard. The SCM3402ASI includes a driver and a receiver, both of which can be independently enabled and disabled. When both are disabled, both the driver and the receiver output a high-impedance state. The SCM3402ASI has a 1/8 load that allows 256 SCM3402ASI transceivers to be connected to the same communication bus. Error-free data transfer of up to 12Mbps is possible. The SCM3402ASI operates from a voltage range of 3.0 to 3.6 V and features fail-safe, over-temperature protection, current limit protection, and over voltage protection.

Features

 3.3V voltages supply, half-duplex
 1/8 Unit Load—Up to 256 Nodes on a Bus
 Driver short circuit protection
 Over temperature protection
 Low power consumption shutdown function
 Receiver open circuit expired protection
 Stronger anti-chirp capacity
 The in a sudden changing of the integration voltage boycotts function
 Communication Speed up to 12Mbps in an electrical noise environment

Applications

 Industrial automation
 Building automation
 Smart meter
 Long-distance signal interaction and transmission

Data Sheet

CnNMk7TA SCM3402A

Note

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

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