Half-duplex Enhanced RS-485 Interface Chip Compatible With Traditional 485 Chip

Half-duplex Enhanced RS-485 Interface Chip Compatible With Traditional 485 Chip

SCM3401A is a half-duplex enhanced transceiver designed for RS-485 data bus networks. Powered by 5V supply, the SCM3401A is fully compliant with TIA/EIA-485A standard and is suitable for data transmission of up to 1Mbps. Receivers have exceptionally high input impedance, which places only 1/8 of the standard load on a shared bus and up to 256 transceivers.

      SCM3401A's pin and performance are compatible with traditional IC, the reliability design of A, B pin is emphasized, including driver output over current protection and enhanced ESD design. The ESD protection level of A, B pin can be up to 15KV (Human Body Model). 

Features:

▶ 5.0V Single Supply Operation

▶ Baud Rate Up to 1Mbps

▶ 1/8 Unit Load-Up to 256 Nodes on a Bus

▶ Low Quiescent Power

   -0.3mA Active Mode

   -50nA Shutdown Mode

▶ Bus-Pin ESD Protection Up to 15KV

▶ Driver short circuit protection

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