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Product Detailed Parameters
- Description：MULTIPLEXER, LS SERIES TTL
- Series：*
- Mfr：Texas Instruments
- 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 SN74LS258D is a quadruple 2-line to 1-line data selector/multiplexer featuring three-state outputs, manufactured by Texas Instruments. It belongs to the SN74LS logic series and operates within a supply voltage range of 4.75 V to 5.25 V. The device provides four independent multiplexing circuits in a 16-pin SOIC-Narrow package. Key electrical characteristics include a propagation delay of 21 ns and an operating temperature range from 0°C to +70°C.
Feature Summary
- Integrates four independent 2-to-1 data selectors within a single integrated circuit
- Provides high-impedance three-state outputs for effective bus line driving
- Compatible with standard TTL logic families for system integration
Applications
- Data routing in digital communication systems
- Address decoding in microprocessor-based designs
- Signal selection in instrumentation equipment
Procurement Notes
Verify the specific suffix against official manufacturer documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with existing board layouts regarding pin assignments and thermal requirements. Confirm RoHS compliance status through current datasheets before finalizing procurement plans.
Selection Notes
Select this component when multiple independent signal paths require switching with minimal propagation delay. The LS series offers a balance between power consumption and speed suitable for general-purpose logic applications. Verify that the required output drive capability meets the load requirements of the destination circuits.
Part Context
This part is a member of the Texas Instruments SN74LS family, designed for low-power Schottky TTL applications. It serves as a fundamental building block for digital logic systems requiring data path management. The device complements other logic components in complex digital architectures.
Replacement Considerations
Check for direct equivalents such as SN74LS258N or SN74LS258BD. Verify pinout compatibility and electrical parameters before substitution. Consult official replacement guides for end-of-life notifications.
