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                                                                                                      1. Home
                                                                                                      2. Semiconductors - ICs
                                                                                                      3. Drivers & Interfaces
                                                                                                      4. Serial Communications RS232, RS485, RS422
                                                                                                      Print Page

                                                                                                      ST3485ECDR

                                                                                                      Transceiver RS422/RS485 Driver, 3V-3.6V supply, SOIC-8

                                                                                                      STMICROELECTRONICS
                                                                                                      Image is for illustrative purposes only. Please refer to product description.
                                                                                                      STMICROELECTRONICS ST3485ECDR
                                                                                                      ManufacturerSTMICROELECTRONICS
                                                                                                      Manufacturer Part NoST3485ECDR
                                                                                                      Order Code1842628
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      See all Technical Docs
                                                                                                      Packaging Options
                                                                                                      49,531 In Stock

                                                                                                      Need more?

                                                                                                      9 Delivery in 3-5 Business Days(SG stock)
                                                                                                      49522 Delivery in 4-6 Business Days(UK stock)
                                                                                                      QuantityPrice
                                                                                                      1+Rs.141.990
                                                                                                      10+Rs.94.960
                                                                                                      50+Rs.89.330
                                                                                                      100+Rs.83.700
                                                                                                      250+Rs.83.520
                                                                                                      500+Rs.83.340
                                                                                                      1000+Rs.82.890
                                                                                                      2500+Rs.81.240
                                                                                                      Price for:Each (Supplied on Cut Tape)
                                                                                                      Minimum: 1
                                                                                                      Multiple: 1
                                                                                                      Rs.141.99
                                                                                                      Enter Your Part No/Line Note
                                                                                                      Added to your Order Confirmation, Invoice, and Dispatch note for this order only.
                                                                                                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                      Product Information

                                                                                                      STMICROELECTRONICS
                                                                                                      ManufacturerSTMICROELECTRONICS
                                                                                                      Manufacturer Part NoST3485ECDR
                                                                                                      Order Code1842628
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      IC TypeRS422 / RS485 Transceiver
                                                                                                      No. of Receivers1Receivers
                                                                                                      No. of Drivers1Drivers
                                                                                                      No. of Transmitters1
                                                                                                      Communication ModeHalf Duplex
                                                                                                      Data Rate Max15Mbps
                                                                                                      Supply Voltage Min3V
                                                                                                      Supply Voltage Max3.6V
                                                                                                      IC Case / PackageSOIC
                                                                                                      No. of Pins8Pins
                                                                                                      No. of Nodes64
                                                                                                      ESD Protection±8 kV (Contact), ±15 kV (Air Gap), ±12 kV (HBM)
                                                                                                      Fail Safe-
                                                                                                      Operating Temperature Min0°C
                                                                                                      Operating Temperature Max70°C
                                                                                                      Product Range-
                                                                                                      Qualification-
                                                                                                      MSL-
                                                                                                      SVHCNo SVHC (21-Jan-2025)

                                                                                                      Product Overview

                                                                                                      ST3485ECDR is a 3.3V powered, 15KV ESD protected, RS-485/ RS-422 transceiver. The transmit and receive at a guaranteed data rate of at least 12Mbps. All transmitter outputs and receiver inputs are protected to ±15KV IEC 61000-4-2 air discharge. The driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high impedance state.

                                                                                                      • One driver and one receiver in half duplex configuration
                                                                                                      • Operate from a single 3.3V supply - no charge pump required
                                                                                                      • Interoperable with 5V logic
                                                                                                      • 1µA low current shutdown mode max
                                                                                                      • Common mode input voltage range from -7 to 12V
                                                                                                      • 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
                                                                                                      • 8 lead SO package and temperature range from 0 to 70°C

                                                                                                      Technical Specifications

                                                                                                      IC Type

                                                                                                      RS422 / RS485 Transceiver

                                                                                                      No. of Drivers

                                                                                                      1Drivers

                                                                                                      Communication Mode

                                                                                                      Half Duplex

                                                                                                      Supply Voltage Min

                                                                                                      3V

                                                                                                      IC Case / Package

                                                                                                      SOIC

                                                                                                      No. of Nodes

                                                                                                      64

                                                                                                      Fail Safe

                                                                                                      -

                                                                                                      Operating Temperature Max

                                                                                                      70°C

                                                                                                      Qualification

                                                                                                      -

                                                                                                      SVHC

                                                                                                      No SVHC (21-Jan-2025)

                                                                                                      No. of Receivers

                                                                                                      1Receivers

                                                                                                      No. of Transmitters

                                                                                                      1

                                                                                                      Data Rate Max

                                                                                                      15Mbps

                                                                                                      Supply Voltage Max

                                                                                                      3.6V

                                                                                                      No. of Pins

                                                                                                      8Pins

                                                                                                      ESD Protection

                                                                                                      ±8 kV (Contact), ±15 kV (Air Gap), ±12 kV (HBM)

                                                                                                      Operating Temperature Min

                                                                                                      0°C

                                                                                                      Product Range

                                                                                                      -

                                                                                                      MSL

                                                                                                      -

                                                                                                      Technical Docs (2)

                                                                                                      Product Change Notice EN

                                                                                                      Technical Data Sheet EN

                                                                                                      Alternatives for ST3485ECDR

                                                                                                      3 Products Found

                                                                                                      Legislation and Environmental

                                                                                                      Country of Origin:
                                                                                                      Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                      China
                                                                                                      Country in which last significant manufacturing process was carried out
                                                                                                      Tariff No:85423100
                                                                                                      US ECCN:EAR99
                                                                                                      EU ECCN:NLR
                                                                                                      RoHS Compliant:Yes

                                                                                                      RoHS

                                                                                                      RoHS Phthalates Compliant:Yes

                                                                                                      RoHS

                                                                                                      SVHC:No SVHC (21-Jan-2025)
                                                                                                      Download Product Compliance Certificate

                                                                                                      Product Compliance Certificate

                                                                                                      Weight (kg):.000181
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