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

                      Data Sheet

                      See all Technical Docs
                      Packaging Options
                      49,845 In Stock

                      Need more?

                      10 Delivery in 1-2 Business Days(SG stock)
                      49835 Delivery in 3-4 Business Days(UK stock)
                      QuantityPrice
                      1+HK$17.370
                      10+HK$11.750
                      50+HK$11.120
                      100+HK$10.490
                      250+HK$10.350
                      500+HK$10.210
                      1000+HK$10.070
                      2500+HK$8.390
                      Price for:Each (Supplied on Cut Tape)
                      Minimum: 1
                      Multiple: 1
                      HK$17.37
                      Add 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

                      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)

                      Technical Data Sheet EN

                      Product Change Notice 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:85423990
                      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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