JD54LS253BFA

Signal Switches, Multiplexers, Decoders Overview

The JD54LS253BFA is a dual 4-input multiplexer manufactured by National Semiconductor. It features three-state outputs and operates within the LS-TTL logic family. The device is housed in a ceramic DIP-16 package with through-hole terminals. It supports a nominal supply voltage of 5 V and functions across a military temperature range from -55 °C to 125 °C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual independent 4-input multiplexing capability
• Three-state output configuration for bus driving
• Military-grade temperature rating for harsh environments

Signal Switches, Multiplexers, Decoders Applications

• Digital data routing systems
• Bus-oriented memory addressing
• Signal selection in industrial control units

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'BFA' against the manufacturer's current datasheet to confirm package dimensions and pinout compatibility. Ensure the component meets MIL-STD specifications if required for your application, as this part belongs to the 54-series military grade line. Cross-reference ordering codes with authorized distributors to avoid counterfeit parts.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when dual channel signal switching is required in space-constrained military or industrial designs. The ceramic package offers superior thermal stability compared to plastic variants. Consider the LS-TTL speed characteristics and power consumption relative to other logic families available from National Semiconductor for system optimization.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 54LS253 series of tri-state data selectors. It is functionally similar to the DM54253 but distinguished by its specific packaging and manufacturing lot details. The 54-series designation indicates military qualification standards, ensuring reliability under extreme conditions where commercial grade components would fail.

Signal Switches, Multiplexers, Decoders Replacement Considerations

The DM54253 is a confirmed substitute part number offering identical logical functionality. Verify that the replacement matches the ceramic DIP-16 package requirements. Ensure the substitute maintains the same three-state output characteristics and military temperature ratings.