DM54LS194AW/883

Shift Registers Overview

The DM54LS194AW/883 is a bidirectional 4-bit universal shift register manufactured by National Semiconductor. It operates within the LS TTL series and utilizes a 16-pin ceramic flatpack (DFP) package. The device supports asynchronous clear functionality and features independent clock inputs for left and right shifting operations. It is designed for military-grade reliability, operating across an extended temperature range of -55°C to 125°C with a standard 5V supply.

Shift Registers Feature Summary

• Bidirectional data shifting capability allowing parallel load or serial shift operations in both directions
• Asynchronous master reset input for immediate clearing of all flip-flops regardless of clock state
• Military-grade construction using hermetically sealed ceramic packaging for harsh environment durability

Shift Registers Applications

• Military communication systems requiring reliable data storage and transfer
• Industrial control units needing bidirectional shift register functions
• Avionics data processing circuits demanding high-temperature stability

Shift Registers Procurement Notes

Verify the component matches the specific MIL-STD-883 qualification standards required for your application. Confirm the ceramic flatpack package integrity and pin configuration upon receipt. Ensure the supplier provides traceability documentation consistent with aerospace or defense procurement requirements for this specific part number.

Shift Registers Selection Notes

Select this component when a bidirectional 4-bit shift register with parallel load capability is required in a high-reliability environment. It is suitable for designs necessitating operation at extreme temperatures where standard commercial logic devices would fail. Consider the 16-pin ceramic package constraints for PCB layout and thermal management during integration.

Shift Registers Part Context

This part belongs to the DM54 family of high-performance logic integrated circuits produced by National Semiconductor. The DM54 series is characterized by its robust construction and suitability for military and aerospace applications. It represents a specialized segment of TTL logic designed for environments exceeding standard commercial operating limits.

Shift Registers Replacement Considerations

Direct substitutes must match the 4-bit bidirectional shift register function, LS TTL speed, and 16-pin ceramic flatpack package. Verify compatibility with existing circuit designs regarding voltage levels and timing characteristics before implementation.