SNJ54LS353FK

Signal Switches, Multiplexers, Decoders Overview

The SNJ54LS353FK is a dual four-input multiplexer manufactured by Texas Instruments. It belongs to the LS series of TTL logic devices, designed for military-grade performance with an operating temperature range of -55°C to 125°C. The component utilizes a 20-lead leadless ceramic chip carrier (LCCC) package, specifically identified as FK. This integrated circuit provides two independent multiplexing functions within a single package.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual four-input multiplexing capability
• Military-grade temperature rating
• Leadless ceramic packaging

Signal Switches, Multiplexers, Decoders Applications

• Military communication systems
• Aerospace data routing
• High-reliability industrial control

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix FK confirms the 20-lead LCCC package configuration. Ensure the LS series designation aligns with required power and speed specifications for the target application environment. Confirm military grade qualification if operating conditions exceed standard commercial limits.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual independent multiplexing is required in harsh environments. The LS series offers specific drive characteristics suitable for TTL interfaces. The ceramic package provides superior thermal stability compared to plastic alternatives for high-temperature operations.

Signal Switches, Multiplexers, Decoders Part Context

This device is part of Texas Instruments' broader LS series logic family. It serves as a signal switching solution within digital circuits. The SNJ prefix indicates a military-grade variant, ensuring reliability under extreme conditions where standard commercial parts may fail.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SNJ54LS353J is a verified substitute offering identical functionality in a different package format.