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

                                                                                                  ST485ECDR

                                                                                                  Transceiver RS422/RS485 Driver, 4.75V-5.25V supply, SOIC-8

                                                                                                  Date/Lot Code

                                                                                                  STMICROELECTRONICS ST485ECDR
                                                                                                  Image is for illustrative purposes only. Please refer to product description.
                                                                                                  ManufacturerSTMICROELECTRONICS
                                                                                                  Manufacturer Part NoST485ECDR
                                                                                                  Order Code1842627
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  See all Technical Docs
                                                                                                  Packaging Options
                                                                                                  33,940 In Stock

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                                                                                                  QuantityPrice (ex VAT)
                                                                                                  1+kr 13.840
                                                                                                  10+kr 10.780
                                                                                                  50+kr 9.330
                                                                                                  100+kr 8.200
                                                                                                  250+kr 7.940
                                                                                                  500+kr 7.770
                                                                                                  1000+kr 7.650
                                                                                                  2500+kr 7.450
                                                                                                  Price for:Each (Supplied on Cut Tape)
                                                                                                  Minimum: 1
                                                                                                  Multiple: 1
                                                                                                  kr 13.84 (ex VAT)
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                                                                                                  This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                  Product Information

                                                                                                  ManufacturerSTMICROELECTRONICS
                                                                                                  Manufacturer Part NoST485ECDR
                                                                                                  Order Code1842627
                                                                                                  Technical Datasheet

                                                                                                  Data Sheet

                                                                                                  IC TypeRS422 / RS485 Transceiver
                                                                                                  No. of Receivers1Receivers
                                                                                                  No. of Transmitters1
                                                                                                  Communication ModeHalf Duplex
                                                                                                  Data Rate Max5Mbps
                                                                                                  Supply Voltage Min4.75V
                                                                                                  Supply Voltage Max5.25V
                                                                                                  IC Case / PackageSOIC
                                                                                                  No. of Pins8Pins
                                                                                                  No. of Nodes256
                                                                                                  ESD Protection±8 kV (Contact), ±15 kV (HBM)
                                                                                                  Fail Safe-
                                                                                                  Operating Temperature Min0°C
                                                                                                  Operating Temperature Max70°C
                                                                                                  Product Range-
                                                                                                  Qualification-
                                                                                                  MSL-
                                                                                                  SVHCNo SVHC (21-Jan-2025)

                                                                                                  Product Overview

                                                                                                  ±15KV ESD protected, low power RS485/RS422 transceiver. Each driver output and receiver input is protected against ± 15KV electrostatic discharge (HBM) (ESD) shocks, without latch-up. This parts contain one driver and one receiver in half duplex configuration. The ST485E is designed for bi-directional data communications on multipoint bus transmission lines (half-duplex applications).

                                                                                                  • Operates from a single supply
                                                                                                  • 300µA low quiescent current
                                                                                                  • Designed for RS485 interface application
                                                                                                  • Common mode input voltage range from -7 to 12V
                                                                                                  • Driver maintains high impedance in 3-state or with the power OFF
                                                                                                  • 70mV typical input hysteresis
                                                                                                  • 30ns propagation delay, 5ns skew
                                                                                                  • Current limiting and thermal shutdown for driver overload protection
                                                                                                  • Allows up to 256 transceivers on the bus
                                                                                                  • Temperature range from 0°C to 70°C

                                                                                                  Warnings

                                                                                                  Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

                                                                                                  Technical Specifications

                                                                                                  IC Type

                                                                                                  RS422 / RS485 Transceiver

                                                                                                  No. of Transmitters

                                                                                                  1

                                                                                                  Data Rate Max

                                                                                                  5Mbps

                                                                                                  Supply Voltage Max

                                                                                                  5.25V

                                                                                                  No. of Pins

                                                                                                  8Pins

                                                                                                  ESD Protection

                                                                                                  ±8 kV (Contact), ±15 kV (HBM)

                                                                                                  Operating Temperature Min

                                                                                                  0°C

                                                                                                  Product Range

                                                                                                  -

                                                                                                  MSL

                                                                                                  -

                                                                                                  No. of Receivers

                                                                                                  1Receivers

                                                                                                  Communication Mode

                                                                                                  Half Duplex

                                                                                                  Supply Voltage Min

                                                                                                  4.75V

                                                                                                  IC Case / Package

                                                                                                  SOIC

                                                                                                  No. of Nodes

                                                                                                  256

                                                                                                  Fail Safe

                                                                                                  -

                                                                                                  Operating Temperature Max

                                                                                                  70°C

                                                                                                  Qualification

                                                                                                  -

                                                                                                  SVHC

                                                                                                  No SVHC (21-Jan-2025)

                                                                                                  Technical Docs (2)

                                                                                                  Technical Data Sheet EN

                                                                                                  Product Change Notice EN

                                                                                                  Alternatives for ST485ECDR

                                                                                                  2 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):.00012
                                                                                                  Product traceability

                                                                                                  Date/Lot Code

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