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Product Detailed Parameters
- Description：IC MULTIPLEXER 4 X 2:1 16SOIC
- Series：74F
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Multiplexer
- Circuit：4 x 2:1
- Independent Circuits：1
- Current - Output High, Low：3mA, 24mA
- Voltage Supply Source：Single Supply
- Voltage - Supply：4.5V ~ 5.5V
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
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Overview
The SN74F258DR is a quad 2-to-1 data selector/multiplexer from the Texas Instruments SN74F series, housed in a 16-pin SOIC package. It features three-state outputs and operates within a supply voltage range of 4.5 V to 5.5 V. The device supports through-hole or surface-mount installation styles with an operating temperature range of 0°C to +70°C. Key electrical parameters include a propagation delay of 7 ns and four independent circuits.
Feature Summary
- Integrates four independent 2-to-1 multiplexers for efficient signal routing
- Provides high-impedance three-state outputs to facilitate bus-oriented systems
- Delivers fast switching speeds suitable for high-performance digital applications
Applications
- Data routing in communication systems
- Signal selection in microprocessor-based designs
- Bus-oriented memory addressing
Procurement Notes
Verify that the ordering suffix 'DR' corresponds to the SOIC-16 package and tape-and-reel packaging configuration. Confirm RoHS compliance status and ensure the manufacturer part number matches the specific revision required for your design. Cross-reference the datasheet for any recent product change notices affecting pinout or electrical characteristics before finalizing procurement.
Selection Notes
Select this component when a quad multiplexer with three-state outputs is required in a surface-mount format. Compare against the SN74F258N for DIP alternatives or the SN74LS258BDR if lower power consumption is prioritized over speed. Ensure the 7 ns propagation delay meets the timing requirements of the target application circuit.
Part Context
This device belongs to the SN74F logic family, known for high-speed performance compared to standard TTL. It serves as a functional equivalent to other quad 2-line-to-1-line multiplexers but offers distinct electrical characteristics defined by the F-series specifications. The DR suffix indicates a specific tape-and-reel packaging option for automated assembly processes.
Replacement Considerations
SN74F258N (DIP-16 variant)
FAQ
What is the function of the three-state outputs?
The three-state outputs allow the multiplexer signals to be connected to a common bus without interference when disabled.
Does the SN74F258DR support inverted outputs?
No, the SN74F258DR provides non-inverted outputs. Inverted versions are available in other series such as the SN74S258FN.
