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JD54LS253BFA
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Product Detailed Parameters
- Description：DUAL 4 INPUT MULTIPLEXER
- Series：*
- Mfr：National Semiconductor
- Package：Bulk
- Type：-
- Circuit：-
- Independent Circuits：-
- Current - Output High, Low：-
- Voltage Supply Source：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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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.
Feature Summary
- Dual independent 4-input multiplexing capability
- Three-state output configuration for bus driving
- Military-grade temperature rating for harsh environments
Applications
- Digital data routing systems
- Bus-oriented memory addressing
- Signal selection in industrial control units
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.
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.
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.
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.
