DS9622MJ-MIL

Overview

The DS9622MJ-MIL is a high-speed, low-power quad line receiver manufactured by National Semiconductor. It operates within the military temperature range and features differential inputs with hysteresis to reject noise on transmission lines. The device accepts RS-422 or RS-485 signals and provides four independent receivers. It is designed for reliable data communication in harsh environments, offering high common-mode rejection and low power consumption.

Feature Summary

• Differential input architecture with built-in hysteresis for enhanced noise immunity
• Low power consumption suitable for battery-operated or thermally constrained systems
• Military-grade qualification ensuring operation across extended temperature ranges

Applications

• Military communication systems requiring high reliability
• Aerospace data bus interfaces
• Harsh environment industrial control networks

Procurement Notes

Verify the manufacturer source carefully as National Semiconductor has undergone corporate changes. Confirm the specific suffix MJ indicates military grade screening and packaging. Check for obsolescence status and availability of authorized distributors. Ensure the component meets current export control regulations if applicable.

Selection Notes

Select this component when RS-422/RS-485 compatibility is required in a military specification context. Compare against other quad receivers for pinout compatibility and package size constraints. Verify that the input voltage levels and propagation delay specifications meet the system timing requirements.

Part Context

This part belongs to the DS9622 family of quad line receivers. It is functionally similar to commercial variants but distinguished by its military screening and environmental testing. The MJ suffix typically denotes a hermetic ceramic package suitable for space or defense applications.

Replacement Considerations

Check for direct pin-to-pin replacements from Texas Instruments, which acquired National Semiconductor's assets. Consider equivalent parts from other manufacturers offering MIL-spec quad receivers with identical electrical characteristics and package dimensions.