100171DC

Overview

The National Semiconductor 100171DC is a triple 4-input multiplexer belonging to the ECL100 series. It features a 24-pin ceramic DIP package and operates within a temperature range of 0°C to 85°C. The device provides three independent multiplexing channels, each selecting one of four data inputs based on control signals. Designed for high-speed digital applications, it utilizes emitter-coupled logic technology to ensure rapid switching performance and signal integrity in complex digital systems.

Feature Summary

• Triple channel architecture providing three independent 4-to-1 multiplexing functions
• ECL100 series technology optimized for high-speed digital signal processing
• Robust ceramic DIP packaging suitable for through-hole mounting

Applications

• High-speed digital signal routing
• Data selection in communication systems
• Multiplexing in military or aerospace avionics

Procurement Notes

Verify component authenticity due to potential availability from surplus markets. Confirm package integrity and pin condition upon receipt. Check RoHS compliance status as indicated by manufacturer documentation. Ensure storage conditions prevent moisture damage prior to use. Validate electrical parameters against original datasheet specifications before integration.

Selection Notes

Select this component when high-speed multiplexing is required in environments where ECL logic compatibility is necessary. Consider the 24-pin ceramic DIP form factor for legacy board designs or specific thermal requirements. Evaluate power supply constraints associated with ECL families during system design. Compare pinout compatibility if replacing existing circuitry.

Part Context

Part of the National Semiconductor ECL100 family, known for speed and noise immunity. The 100K series designation indicates specific process variations within the broader ECL product line. This component serves specialized roles in high-performance computing and telecommunications infrastructure where traditional TTL or CMOS speeds are insufficient.

Replacement Considerations

Check for direct equivalents in the SN100171 series or compatible ECL multiplexers from other manufacturers. Verify voltage levels and pin configurations match exactly. Consider modern LVTTL alternatives if system power budgets allow, though speed characteristics may differ.