SN74LS257BN
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- Mfr.Part #
- SN74LS257BN
- Manufacturer
- Texas Instruments
- Package / Case
- 16-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC MULTIPLEXER 4 X 2:1 16DIP
- Stock
- 1,276
- In Stock ：
- 1,276
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- Manufacturer :
- Texas Instruments
- Product Category :
- Signal Switches, Multiplexers, Decoders
- Number of Functions :
- 4
- Throw Configuration :
- DPST
- Number of Pins :
- 16
- Nominal Supply Current :
- 44mA
- Polarity :
- Non-Inverting
- Weight :
- 951.693491mg
- Base Part Number :
- 74LS257
- Mounting Type :
- Through Hole
- Circuit :
- 4 x 2:1
- Number of Terminations :
- 16
- Propagation Delay :
- 15 ns
- Packaging :
- Tube
- Mount :
- Through Hole
- Output Characteristics :
- 3-STATE
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- 0°C~70°C
- Voltage - Supply :
- 4.75V~5.25V
- Number of Outputs :
- 1
- Quiescent Current :
- 13mA
- Current - Output High, Low :
- 2.6mA 24mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pin Count :
- 16
- Radiation Hardening :
- No
- Family :
- LS
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Length :
- 19.3mm
- Lead Free :
- Lead Free
- Width :
- 6.35mm
- ECCN Code :
- EAR99
- Supply Type :
- Single
- Operating Supply Voltage :
- 5V
- Supply Voltage :
- 5V
- Independent Circuits :
- 1
- Package / Case :
- 16-DIP (0.300, 7.62mm)
- Factory Lead Time :
- 6 Weeks
- Voltage Supply Source :
- Single Supply
- Type :
- Multiplexer
- Number of Channels :
- 4
- Power Dissipation :
- 55mW
- REACH SVHC :
- No SVHC
- JESD-609 Code :
- e4
- Bandwidth :
- 35MHz
- Terminal Position :
- Dual
- Power Supplies :
- 5V
- Height :
- 5.08mm
- Series :
- 74LS
- Number of Bits :
- 2
- Number of Inputs :
- 8
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Thickness :
- 3.9mm
- Datasheets
- SN74LS257BN
Signal Switches, Multiplexers, Decoders Texas Instruments SN74LS257BN Overview
The Texas Instruments SN74LS257BN is a versatile, high-performance multiplexer designed for various digital applications. As part of the robust 74LS series, this integrated circuit specializes in efficiently managing data flow between multiple input sources and a single output line. The SN74LS257BN, housed in a 16-pin DIP (Dual In-line Package), simplifies the complexities involved in switching between data sources, making it an essential component for high-speed digital systems. Its ability to seamlessly select between data inputs makes it a fundamental piece for enhancing system performance and reliability, making the Signal Switches, Multiplexers, Decoders Texas Instruments SN74LS257BN a cornerstone in digital circuit design.
SN74LS257BN Features
The SN74LS257BN stands out with its dual 4-line input and single-line output configuration, offering precise control in data handling. Key features include:
- Quad 2-line to 1-line data selectors/multiplexers functionality.
- Standard 16-pin DIP packaging suitable for conventional mounting.
- Low power consumption with a typical power dissipation of 22 mW.
- High noise immunity characteristic of LS-TTL (Low Power Schottky Transistor-Transistor Logic).
- Wide operating voltage range from 4.5V to 5.5V, accommodating various power supplies.
- Fast switching capabilities that enhance the overall speed of data processing and throughput.
SN74LS257BN Applications
- Digital Signal Routing: Used in complex digital systems to route signals based on conditional logic, enhancing system flexibility and performance.
- Data Bus Management: Integral in managing data flow within systems, ensuring that the correct data reaches the appropriate subsystems efficiently.
- Communication Systems: Facilitates accurate data transfer and selection in communication equipment, crucial for system reliability and functionality.
- Control Systems: Employed in control panels and interfaces where multiple input sources need to be managed and directed accurately.
- Test Equipment: Essential in testing environments where multiple data streams need to be analyzed and selected for specific testing procedures.
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