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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 65,000

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: 10 Weeks
Minimum Order: 2,500
Multiple Of: 2,500
Quantity Web Price
2,500 $0.715
5,000 $0.625
7,500 $0.625
10,000+ $0.62


Attributes Table
Data Rate 15Mbps
ESD Voltage-Max ±15kV
Operating Temp Range 0°C to 70°C
Supply Voltage 3V to 3.6V
No. of Drivers 1
No. of Receivers 1
Supply Current 1.3mA
No of Terminals 8
Moisture Sensitivity Level 1
Features and Applications

The ST3485ECDR is a ±15 kV ESD protected power transceiver for RS-485 and RS-422 communications, available in surface mount SOIC-8 package.

This device contains one driver and one receiver in half duplex configuration. The ST3485E transmits and receives at a guaranteed data rate of at least 12 Mbps. All transmitter outputs and receiver inputs are protected to ±15 kV using Human Body Model.


  • ESD protection
    • ±15kV human body model
    • ±8kV IEC 1000-4-2 contact discharge
  • Operate from a single 3.3V supply -no charge pump required
  • Interoperable with 5V logic
  • 1µA low current shutdown mode max
  • Guaranteed 12Mbps data rate
  • -7 to 12 V common mode input voltage range
  • Half duplex versions available
  • Industry standard 75176 pinout
  • Current limiting and thermal shutdown for driver overload protection
  • Guaranteed high receiver output state for floating inputs with no signal present
  • Allow up to 64 transceivers on the bus