DM54S257J-MIL

Signal Switches, Multiplexers, Decoders Overview

The DM54S257J-MIL is a quad 2-input data selector/multiplexer manufactured by National Semiconductor. It operates on a single 5 V supply with a range of 4.5 V to 5.5 V. The device features a 16-pin ceramic dual in-line package (CDIP) designed for military specifications. It supports an operating temperature range from -55°C to 125°C and utilizes TTL logic levels.

Signal Switches, Multiplexers, Decoders Feature Summary

• Quad 2:1 multiplexing capability
• Military-grade ceramic packaging
• Extended temperature operation

Signal Switches, Multiplexers, Decoders Applications

• Military avionics signal routing
• Harsh environment data selection
• High-reliability industrial control systems

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the MIL-STD-883 Class B screening status and ceramic package integrity upon receipt. Confirm the part number suffix matches the specific military qualification requirements. Ensure storage conditions maintain the specified temperature limits to prevent degradation of the glass-sealed ceramic structure before installation.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when high reliability and radiation hardness are required in extreme thermal environments. The CDIP package provides superior hermetic sealing compared to plastic alternatives. Verify that the system voltage aligns with the 4.5 V to 5.5 V operational range and that the TTL input thresholds are compatible with the driving circuitry.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the National Semiconductor S-Series TTL logic family, specifically designed for military applications. It serves as a robust alternative to commercial-grade multiplexers, offering enhanced durability and performance stability under severe mechanical and thermal stress conditions typical in defense and aerospace sectors.

Signal Switches, Multiplexers, Decoders Replacement Considerations

DM54S257J