Texas Instruments_SN74ALS257ADG4

Texas Instruments
SN74ALS257ADG4  
Encoders, Decoders, Multiplexers & Demultiplexers

Texas Instruments
SN74ALS257ADG4
743-SN74ALS257ADG4
Ersa
Texas Instruments-SN74ALS257ADG4-datasheets-1596918.pdf
IC MULTIPLEXER 4 X 2:1 16SOIC
In Stock : 39

Not available to buy online? Want the lower wholesale price? Please Send RFQ to get best price, we will respond immediately

QUICK RFQ
ADD TO RFQ LIST
ersa FreeSample ersa flow
ISO9001
Quality Policy
ISO45001
ISO14001

SN74ALS257ADG4 Description

SN74ALS257ADG4 Description

The SN74ALS257ADG4 is a high-performance multiplexer IC from Texas Instruments, designed to provide reliable and efficient signal routing in various electronic systems. This logic IC chip features a 4 x 2:1 multiplexer configuration, allowing it to select one of two input signals for each of its four independent circuits. The device operates within a supply voltage range of 4.5V to 5.5V and is suitable for single supply applications, making it highly versatile for a wide range of digital circuits.

SN74ALS257ADG4 Features

  • Operating Temperature Range: The SN74ALS257ADG4 is designed to operate within a temperature range of 0°C to 70°C, ensuring stable performance in a variety of environmental conditions.
  • Independent Circuits: With four independent 2:1 multiplexer circuits, this IC can handle multiple signal selections simultaneously, enhancing the efficiency of signal routing in complex systems.
  • Single Supply Operation: The device operates on a single supply voltage, simplifying power management and reducing the complexity of the power supply design.
  • Current Handling: The SN74ALS257ADG4 can handle output currents of up to 2.6mA for high-level signals and 24mA for low-level signals, providing robust performance in demanding applications.
  • Surface Mount Technology: The surface mount package type ensures ease of integration into modern PCB designs, facilitating compact and reliable assembly.
  • Compliance and Standards: The device is REACH unaffected and ROHS3 compliant, adhering to stringent environmental and safety regulations. It also meets the HTSUS code 8542.39.0001, ensuring compliance with international trade standards.
  • Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the SN74ALS257ADG4 is highly resistant to moisture, making it suitable for use in humid environments without the need for special handling or packaging.

SN74ALS257ADG4 Applications

The SN74ALS257ADG4 is ideal for a variety of applications where efficient signal routing and selection are required. Some specific use cases include:

  • Digital Signal Processing: In systems where multiple digital signals need to be selectively processed or routed, the SN74ALS257ADG4 provides a reliable and efficient solution.
  • Data Acquisition Systems: The multiplexer can be used to select between different input channels, allowing for flexible data acquisition and processing.
  • Communication Systems: In communication systems, the SN74ALS257ADG4 can be used to switch between different data streams, ensuring seamless data transmission.
  • Automotive Electronics: The device's robust performance and compliance with environmental standards make it suitable for use in automotive applications where reliability and durability are paramount.
  • Industrial Control Systems: The SN74ALS257ADG4 can be integrated into industrial control systems to manage and route control signals efficiently.

Conclusion of SN74ALS257ADG4

The SN74ALS257ADG4 from Texas Instruments is a versatile and reliable multiplexer IC that offers significant advantages over similar models. Its wide operating temperature range, single supply operation, and robust current handling capabilities make it suitable for a wide range of applications. The device's compliance with environmental and safety standards ensures that it meets the requirements of modern electronic systems. Whether used in digital signal processing, data acquisition, or industrial control systems, the SN74ALS257ADG4 provides a high-performance solution for efficient signal routing and selection.

Tech Specifications

Power Supply Type
Output Signal Type
Configuration
Maximum Propagation Delay Time @ Maximum CL (ns)
PPAP
Product Status
Automotive
Supplier Package
Maximum High Level Output Current (mA)
Package / Case
Absolute Propagation Delay Time (ns)
Voltage - Supply
Logic Function
REACH Status
Maximum Operating Supply Voltage (V)
EU RoHS
Moisture Sensitivity Level (MSL)
Operating Temperature
ECCN
Independent Circuits
Circuit
Mounting Type
Standard Package Name
Pin Count
Mounting
Input Signal Type
Lead Shape
Typical Operating Supply Voltage (V)
HTSUS
Package
Current - Output High, Low
PCB changed
Output Type
Number of Elements per Chip
ECCN (US)
Maximum Power Dissipation (mW)
Voltage Supply Source
Supplier Device Package
Minimum Operating Temperature (°C)
Maximum Operating Temperature (°C)
Process Technology
Propagation Delay Test Condition (pF)
Package Height
Mfr
Polarity
Number of Selection Inputs per Element
RoHS Status
Parity Invert Input
Number of Inputs per Chip
Number of Outputs per Chip
Package Length
Maximum Low Level Output Current (mA)
Series
Type
Number of Output Enables per Element
Number of Input Enables per Element
Part Status
Logic Family
Package Width
Base Product Number
Minimum Operating Supply Voltage (V)
Unit Weight
Product
RoHS
Supply Voltage - Min
Function
Technology
Maximum Clock Frequency
Height
Maximum Operating Temperature
Supply Voltage - Max
Width
Mounting Style
Logic Type
Number of Input Lines
Minimum Operating Temperature
High Level Output Current
Number of Output Lines
Length
Operating Supply Voltage
Low Level Output Current
USHTS
Propagation Delay Time

SN74ALS257ADG4 Documents

Download datasheets and manufacturer documentation for SN74ALS257ADG4

Ersa Product Discontinuance Notification (PDF)      
Ersa Mechanical Outline Drawing      
Ersa SN74ALS257ADG4 Symbol & Footprint by SnapMagic      
Ersa Logic Guide (Rev. AB)      

Shopping Guide

Payment Methods
Payment Methods include Prepayment TT (bank transfer), Western Union, and PayPal. Customers are responsible for shipping costs, bank charges, customs duties and taxes.
Shipping Rate
Shipments are made once a day around 5pm, excluding Sundays. Once shipped, the estimated delivery time is usually 5-7 business days, depending on the courier you choose.
Delivery Methods
Provide DHL, FedEx, UPS, EMS, SF Express and Registered Airmail International Delivery Service