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Product Variant Information section
Product Specification Section
Pricing Section

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Minimum Order: 2,500
Multiple Of: 2,500
Quantity Web Price
2,500+ $0.40


Attributes Table
Data Rate 5Mbps
ESD Voltage-Max ±15kV
Operating Temp Range 0°C to 70°C
Supply Voltage 4.75V to 5.25V
Duplex Half-Duplex
Function Transceiver
No. of Drivers 1
No. of Receivers 1
Supply Current 400µA
No of Terminals 8
Moisture Sensitivity Level 1
Features and Applications

The ST485ECDR is a part of ST485 series Transceiver. It has an operating temperature ranging from 0 °C to +70 °C and it comes in SOIC-8 Packaging.

The ST485E is a low power transceiver for RS-485 and RS-422 communication. Each driver output and receiver input is protected against ±15 kV electrostatic discharge (H.B.M.) (ESD) shocks, without latch-up. These parts contain one driver and one receiver in half duplex configuration.


  • Low quiescent current: 300 µA
  • Designed for RS-485 interface application
  • -7 V to 12 V common mode input voltage range
  • Driver maintains high impedance in 3-state or with the power OFF
  • 70 mV typical input hysteresis
  • 30 ns propagation delay, 5 ns skew
  • Operates from a single 5 V supply
  • Current limiting and thermal shutdown for driver overload protection
  • ESD protection:
    • ±15 kV (H.B.M.)
    • ±8 kV (IEC-1000-4-2 contact discharge)
  • Allows up to 256 transceivers on the bus