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DS8921N/NOPB The Texas Instruments DS8921N/NOPB is a full duplex transceiver designed for RS422 and RS485 interfaces. It offers a typical propagation delay of 12 ns.
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DS8921N/NOPB

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments DS8921N/NOPB is a full duplex transceiver designed for RS422 and RS485 interfaces. It offers a typical propagation delay of 12 ns.
✓ Total Stock: 609 pcs

DS8921N/NOPB Available from 1 distributor

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609 pcs
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DS8921N/NOPB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duplex
Mounting Type
Number of Drivers
Operating Temperature
Propagation Delay
Protocol
Receiver Hysteresis
Supplier Device Package
Type
Voltage
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DS8921N/NOPB Description

Short technical summary and product information.

The DS8921N/NOPB from Texas Instruments is a differential line driver and receiver pair, designed to meet standards like ST506, ST412, ESDI, and EIA RS-422. This full duplex transceiver operates within a voltage range of 4.5V to 5.5V and is suitable for applications requiring RS422 and RS485 communication protocols.

 

Key electrical characteristics include a typical propagation delay of 12 ns and an output skew of 0.5 ns. The receiver sensitivity is ±0.2 V over the input voltage range, with a typical input hysteresis of 70 mV, enhancing noise margin for slowly changing input waveforms. The device is compatible with TTL and CMOS logic levels.

 

Packaged in an 8-pin DIP (0.300", 7.62mm) format, the DS8921N/NOPB is designed for through-hole mounting. It operates within a temperature range of 0°C to 70°C. This component is ideal for disk drive standards and general RS-422 interface applications.

DS8921N/NOPB Quick Information

Product Type: Line Driver and Receiver Pair
Canonical Name: DS8921N/NOPB Differential Line Driver and Receiver Pair
Subcategory: Interface Transceivers

DS8921N/NOPB Compliance

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

DS8921N/NOPB Features

  • Differential line driver and receiver pair.
  • Supports RS422 and RS485 protocols.
  • 12 ns typical propagation delay.
  • ±0.2 V receiver sensitivity.
  • 8-pin DIP through-hole package.

DS8921N/NOPB Applications

  • Designed for ST506 disk drive standard.
  • Meets EIA RS-422 requirements.
  • Suitable for ST412 disk drive standard.
  • Used in ESDI disk drive standard applications.

DS8921N/NOPB FAQs

5 frequently asked questions generated from this part’s specifications.
What is the typical propagation delay for the DS8921N/NOPB?

The typical propagation delay is 12 ns.

What operating voltage range does the DS8921N/NOPB support?

It supports an operating voltage range of 4.5V to 5.5V.

What is the operating temperature range for this transceiver?

The operating temperature range is 0°C to 70°C.

What protocols does the DS8921N/NOPB support?

It supports RS422 and RS485 protocols.

What is the package type for the DS8921N/NOPB?

The package type is 8-MDIP.

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