MC74LVX257DTR2

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Multiplexer
• Characteristics: Low-voltage, high-speed, quad 2-input multiplexer
• Package: TSSOP-16
• Essence: Logic IC for data routing and selection
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• High-Level Input Voltage: 2.0V (min), 5.5V (max)
• Low-Level Input Voltage: -0.5V (min), 0.8V (max)
• High-Level Output Voltage: VCC - 0.3V (min), VCC (max)
• Low-Level Output Voltage: 0V (min), 0.3V (max)
• Maximum Operating Frequency: 200MHz

Detailed Pin Configuration

The MC74LVX257DTR2 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 G1 |5 12| B1 G2 |6 11| A1 Y3 |7 10| B3 Y4 |8 9| A3 ----------

Functional Features

• Quad 2-input multiplexer with common select inputs (A1, A2)
• Individual enable inputs (G1, G2) for each multiplexer
• Outputs (Y1, Y2, Y3, Y4) selected based on the input signals and enable inputs

Advantages and Disadvantages

Advantages: - Low-voltage operation allows compatibility with a wide range of systems - High-speed operation enables efficient data routing and selection - Compact TSSOP-16 package saves board space - Easy integration into digital circuits

Disadvantages: - Limited number of input channels (2 per multiplexer) - Not suitable for applications requiring a large number of input selections

Working Principles

The MC74LVX257DTR2 is a digital multiplexer that routes and selects data from multiple input sources to a single output. It consists of four independent 2-input multiplexers. The select inputs (A1, A2) determine which input is connected to the output. The enable inputs (G1, G2) control the operation of each multiplexer. When an enable input is high, the corresponding multiplexer is active, and its output reflects the selected input.

Detailed Application Field Plans

The MC74LVX257DTR2 finds applications in various digital systems where data routing and selection are required. Some potential application fields include: 1. Data communication systems 2. Digital audio/video equipment 3. Computer peripherals 4. Industrial automation 5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74LVX257: Similar quad 2-input multiplexer by Texas Instruments
2. CD74HC257: Quad 2-input multiplexer with higher voltage tolerance by Texas Instruments
3. 74HCT257: Quad 2-input multiplexer with TTL-level compatibility by NXP Semiconductors

These alternative models offer similar functionality and can be used as substitutes for the MC74LVX257DTR2 in different applications.

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