SNJ54F251AJ

Signal Switches, Multiplexers, Decoders Overview

The SNJ54F251AJ is a military-grade octal data selector/multiplexer from the F/FAST logic series. It features three-state outputs and operates within a temperature range of -55°C to 125°C. The device selects one of eight input lines to route to a single output based on address inputs. It utilizes a 20-lead ceramic dual in-line package (CDIP) designed for high reliability in harsh environments.

Signal Switches, Multiplexers, Decoders Feature Summary

• Military-grade construction with extended temperature capability
• Octal data selection with three-state output control
• High-speed F/FAST logic performance characteristics

Signal Switches, Multiplexers, Decoders Applications

• Aerospace avionics systems
• Military communication equipment
• Harsh environment data routing

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity through authorized channels due to military specifications. Confirm package integrity and lead condition upon receipt. Ensure storage conditions meet moisture sensitivity requirements. Review datasheet for specific handling precautions associated with ceramic packages.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this part for applications requiring radiation tolerance and wide temperature operation. Compare propagation delays against system timing constraints. Verify voltage levels match interface requirements. Consider pin compatibility with existing board layouts when replacing legacy components.

Signal Switches, Multiplexers, Decoders Part Context

Part of Texas Instruments' SNJ54F family, designed for defense and space applications. The 'J' suffix indicates a ceramic dual in-line package. This series provides robust performance where standard commercial parts fail under extreme thermal or mechanical stress.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SNJ54ALS251J offers similar functionality with lower power consumption. SNJ54LS251J provides comparable speed with different drive characteristics. Verify pinout and electrical parameters before substitution.