DS8923AN

Overview

The DS8923AN is a dual differential line driver and receiver pair manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of 0°C to 70°C. The device features a typical propagation delay of 12 ns with output skew of ±0.5 ns. It provides complementary driver outputs, TRI-STATE functionality, and meets EIA RS-422 standards. The package type is PDIP with 16 pins.

Feature Summary

• TRI-STATE outputs for bus isolation
• Complementary driver outputs
• Receiver input fail-safe circuitry
• Glitch-free power up/down

Applications

• ESDI disk drive interfaces
• ST506/ST412 disk drive standards
• RS-422 communication systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and RoHS compliance status. Check the product lifecycle status as some variants may be designated as LIFEBUY or obsolete. Ensure the selected component matches the required lead configuration and thermal specifications for the target application.

Selection Notes

Select this component for applications requiring high-speed differential signaling compatible with TTL and CMOS logic levels. Verify that the system environment stays within the specified 0°C to 70°C operating temperature range. Confirm that the 5V supply voltage aligns with the design requirements before finalizing the part selection.

Part Context

This component belongs to the DS8922/DS8923 family of dual differential line drivers and receivers. It is designed specifically for disk drive interface applications meeting ST506, ST412, and ESDI standards. The device offers robust performance with low propagation delay and high noise immunity for reliable data transmission.

Replacement Considerations

DS8923AM/NOPB

FAQ

What is the typical propagation delay of the DS8923AN?

The typical propagation delay is 12 ns.

Does the DS8923AN have independent control for drivers and receivers?

Yes, the DS8923A has separate driver and receiver control functions.

What standards does the DS8923AN meet?

It meets the requirements of EIA Standard RS-422, ST506, ST412, and ESDI disk drive standards.