74LVC257APW/AUJ

Product Overview

Category

The 74LVC257APW/AUJ belongs to the category of integrated circuits (ICs) and specifically falls under the multiplexer/demultiplexer ICs.

Use

This product is commonly used for data selection in digital systems, enabling the routing of multiple input signals to a single output.

Characteristics

• Low-voltage CMOS technology
• High-speed operation
• Wide operating voltage range
• Compact package size

Package

The 74LVC257APW/AUJ is available in a TSSOP (Thin Shrink Small Outline Package) with a specified width and pitch.

Essence

The essence of this product lies in its ability to efficiently manage and route digital data signals within electronic systems.

Packaging/Quantity

The 74LVC257APW/AUJ is typically packaged in reels or tubes, with varying quantities per package depending on the supplier.

Specifications

• Operating Voltage Range: 1.65V to 5.5V
• Input Voltage High Level: 0.7 * VCC to 5.5V
• Input Voltage Low Level: 0 to 0.3 * VCC
• Propagation Delay: 4.1ns (max) at 3.3V
• Number of Channels: 2
• Input/Output Compatibility: TTL/CMOS

Detailed Pin Configuration

The 74LVC257APW/AUJ features a standard pin configuration with clearly defined input, output, and control pins. The pinout diagram provides a comprehensive layout of the connections and their respective functions.

Functional Features

• Quad 2-input multiplexer
• 5.5V tolerant inputs for interfacing with 5V logic
• Power-off high-impedance inputs and outputs
• Balanced propagation delays

Advantages

• Wide operating voltage range allows for versatile integration into various systems
• High-speed operation enhances overall system performance
• 5.5V tolerant inputs provide compatibility with legacy 5V systems
• Power-off high-impedance feature minimizes power consumption

Disadvantages

• Limited number of channels may not suffice for complex data routing requirements
• Propagation delay may impact real-time applications in certain scenarios

Working Principles

The 74LVC257APW/AUJ operates by selectively routing the input signals based on the control inputs, effectively functioning as a data selector. It utilizes low-voltage CMOS technology to achieve high-speed and efficient data manipulation.

Detailed Application Field Plans

This product finds extensive application in digital systems, including but not limited to: - Data acquisition systems - Communication equipment - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

• 74HC257: A similar multiplexer IC with higher voltage tolerance
• SN74LVC257A: An alternative from a different manufacturer with comparable specifications

In conclusion, the 74LVC257APW/AUJ serves as a crucial component in digital systems, offering efficient data selection and routing capabilities within a compact and versatile package. Its wide operating voltage range, high-speed operation, and compatibility with legacy systems make it a valuable choice for various applications.

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