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SI485E

15Mbps Communication Transceiver

Slow-Speed Limited Differential Transceiver with ESD Protection

The SI485 operates from 3V to 55V supply, features ±15kV ESD protection, and is a slow-speed limited differential transceiver providing full RS485 compatibility for half-duplex communication. Each section includes a driver and a receiver designed to extend data transmission over a wide common-mode range (-7V to 12V). The SI485 transmits data at rates up to 15Mbps.

data table SI485E Datasheet

Characteristics and advantages

High communication rate, 3.3V and 5V supply 15Mbps

High ESD protection capability

Low power consumption down to 1μA current in shutdown mode

-7V to +12V common-mode input voltage range

Bus connection for up to 256 nodes

Thermal shutdown protection

Driver overload protection

Full fault protection (open circuit, short circuit, etc.)

Ordering Information

Ordering Information Pack Package Operating Temperature
SI485EDC-TR Tape and reel, 3000 pieces/reel SOP-8 -40℃ ~ 160℃

Product Application

Documents and Resources

Semiment Product Selection Guide

Selection Guide English version
2025-10-22

SI485E Datasheet

Datesheet download
2025年 10月 24日

Application Note for SYLM321SI485E

Application Note

video

The SI485 operates from 3V to 55V supply, features ±15kV ESD protection, and is a slow-speed limited differential transceiver providing full RS485 compatibility for half-duplex communication. Each section includes a driver and a receiver designed to extend data transmission over a wide common-mode range (-7V to 12V). The SI485 transmits data at rates up to 15Mbps.

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