DS8921M The Texas Instruments DS8921M is a full duplex transceiver supporting RS422 and RS485 protocols. It operates from a 4.5V to 5.5V supply and is housed in an 8-SOIC package.
Mfr Part #:

DS8921M

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments DS8921M is a full duplex transceiver supporting RS422 and RS485 protocols. It operates from a 4.5V to 5.5V supply and is housed in an 8-SOIC package.
Total Stock: 6,565 pcs

DS8921M Available from 1 distributor

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DS8921M Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duplex
Fault Protection
Mounting Type
Number of Drivers
Operating Temperature
Propagation Delay
Protocol
Receiver Hysteresis
Supplier Device Package
Supplier Package
Supply Current
Type
Voltage

DS8921M Description

Short technical summary and product information.

The Texas Instruments DS8921M is a differential line driver and receiver pair designed for applications meeting ST506, ST412, and ESDI disk drive standards, as well as EIA RS-422.

 

This transceiver features a typical propagation delay of 12 ns and an output skew of 0.5 ns. The receiver sensitivity is typically ±0.2 V with 70 mV of hysteresis, operating over a common-mode input voltage range of ±7 V. It supports a signaling rate of up to 10 Mbps and can accommodate up to 32 nodes.

 

The DS8921M is designed for compatibility with TTL and CMOS logic levels. It operates within a supply voltage range of 4.5V to 5.5V and has an operating temperature range of 0°C to 70°C.

 

Packaged in an 8-SOIC (0.154", 3.90mm Width) format, this device is suitable for surface mounting.

DS8921M Quick Information

Product Type: Transceiver
Canonical Name: DS8921M Differential Line Driver and Receiver Pair
Subcategory: RS-485 & RS-422 Transceivers

DS8921M Compliance

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

DS8921M Features

  • Full duplex RS422 and RS485 transceiver.
  • Typical 12 ns propagation delay.
  • ±7 V common-mode input voltage range.
  • 70 mV receiver input hysteresis.
  • Surface mount 8-SOIC package.

DS8921M Applications

  • Used in industrial communication systems
  • Suitable for differential data transmission
  • Ideal for automation and control networks
  • Designed for RS422 and RS485 interfaces

DS8921M FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the DS8921M?

The DS8921M operates from a 4.5V to 5.5V supply.

What is the operating temperature range of the DS8921M?

The DS8921M operates between 0°C and 70°C.

What package type is the DS8921M supplied in?

The DS8921M is supplied in an 8-SOIC package.

What protocols does the DS8921M support?

The DS8921M supports RS422 and RS485 protocols.

What is the typical propagation delay of the DS8921M?

The typical propagation delay for the DS8921M is 12 ns.

What is the receiver sensitivity of the DS8921M?

The receiver sensitivity of the DS8921M is ±0.2 V.

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