MC74LVX257MELG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-Speed, Low-Voltage, Quad 2-Input Multiplexer
• Package: SOIC-16
• Essence: The MC74LVX257MELG is a logic level translator IC that allows voltage translation between different logic levels. It is designed to operate at high speeds and low voltages, making it suitable for various digital applications.
• Packaging/Quantity: The MC74LVX257MELG is available in a standard SOIC-16 package and is typically sold in reels of 2500 units.

Specifications

• Logic Family: LVX
• Number of Inputs: 8
• Number of Outputs: 4
• Supply Voltage Range: 1.65V to 5.5V
• Propagation Delay: 3.5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LVX257MELG has a total of 16 pins arranged as follows:

__ __ A1 |1 \__/ 16| VCC B1 |2 15| Y1 A2 |3 14| Y2 B2 |4 13| GND A3 |5 12| B2 B3 |6 11| A2 A4 |7 10| B1 B4 |8 9| A1 ----------

Functional Features

• Quad 2-Input Multiplexer: The MC74LVX257MELG can select one of the four data inputs and route it to the output based on the select inputs.
• Logic Level Translation: It can translate logic levels between different voltage domains, allowing seamless communication between devices operating at different voltage levels.
• High-Speed Operation: The IC is designed for high-speed operation, making it suitable for applications that require fast data processing.
• Low-Voltage Operation: With a supply voltage range of 1.65V to 5.5V, the MC74LVX257MELG can operate at low voltages, reducing power consumption and enabling compatibility with various digital systems.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with different voltage domains. - High-speed operation enables fast data processing. - Low-voltage operation reduces power consumption. - Compact SOIC-16 package offers space-saving integration.

Disadvantages: - Limited number of inputs and outputs may restrict its use in complex systems. - Not suitable for applications requiring bidirectional level translation.

Working Principles

The MC74LVX257MELG operates as a quad 2-input multiplexer. It selects one of the four data inputs (A1, A2, A3, A4) based on the select inputs (B1, B2, B3, B4) and routes the selected input to the corresponding output (Y1, Y2). The logic level translation is achieved by utilizing internal circuitry that ensures proper voltage conversion between different voltage domains.

Detailed Application Field Plans

The MC74LVX257MELG can be used in various digital systems and applications, including but not limited to: - Data communication interfaces - Microcontrollers and microprocessors - Memory systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MC74LVX257MELG are: - SN74LVX257: Manufactured by Texas Instruments, this logic level translator IC offers quad 2-input multiplexing with similar specifications. - CD74LVX257: Produced by Texas Instruments, this IC is another alternative that provides quad 2-input multiplexing and logic level translation capabilities.

These alternative models can be considered based on specific requirements and availability in the market.

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