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ST485BDR The STMicroelectronics ST485BDR is a half-duplex transceiver supporting RS422 and RS485 protocols. It operates over a voltage range of 4.75V to 5.25V with a data rate of 2.5Mbps.
Mfr Part #:

ST485BDR

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics ST485BDR is a half-duplex transceiver supporting RS422 and RS485 protocols. It operates over a voltage range of 4.75V to 5.25V with a data rate of 2.5Mbps.
✓ Total Stock: 88,500 pcs
$ Price Range: $1.44

ST485BDR Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
80,000 pcs
On Request
80000 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ST485BDR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Data Rate
Duplex
Mounting Type
Number of Drivers
Operating Temperature
Protocol
Receiver Hysteresis
Supplier Device Package
Type
Voltage
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ST485BDR Description

Short technical summary and product information.

The STMicroelectronics ST485BDR is a transceiver IC designed for interface applications. It supports both RS422 and RS485 communication protocols, operating in a half-duplex mode.

 

This device features a data rate of up to 2.5Mbps and requires an operating voltage between 4.75V and 5.25V. The operating temperature range is specified from -40°C to 85°C, making it suitable for various environmental conditions.

 

The ST485BDR is available in an 8-SOIC surface mount package. Its specifications indicate a receiver hysteresis of 70 mV, contributing to reliable signal reception. The part is identified by its MPN ST485BDR and is manufactured by STMicroelectronics.

ST485BDR Quick Information

Product Type: Transceiver
Canonical Name: STMicroelectronics ST485BDR Transceiver
Subcategory: Drivers, Receivers, Transceivers

ST485BDR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ST485BDR Estimated Pricing

Qty Low High
1+ $1.44 $1.44

Estimated market price range - modelled values for guidance only, not live distributor offers.

ST485BDR Features

  • Half-duplex transceiver for RS422/RS485.
  • 2.5Mbps data rate capability.
  • Operates from 4.75V to 5.25V.
  • Wide temperature range: -40°C to 85°C.
  • Surface mount 8-SOIC package.

ST485BDR Applications

  • Ideal for serial communication systems.
  • Suitable for industrial automation.
  • Used in data acquisition systems.
  • Supports robust point-to-point links.

ST485BDR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the ST485BDR?

The ST485BDR operates between 4.75V and 5.25V.

What is the operating temperature range of the ST485BDR?

The operating temperature range is -40°C to 85°C.

What protocols does the ST485BDR support?

The ST485BDR supports RS422 and RS485 protocols.

What is the data rate of the ST485BDR transceiver?

The data rate is 2.5Mbps.

What package type is the ST485BDR supplied in?

The ST485BDR is supplied in an 8-SOIC package.

ST485BDR Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
DS485TM/NOPB
DS485TM/NOPB
Texas Instruments
The Texas Instruments DS485TM/NOPB is a low-power transceiver for RS-485 and RS-422 communication. It operates from a single 5V supply and supports data rates up to 2.5Mbps.
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