MC74LVX257DR2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Low-voltage, Quad 2-input Multiplexer
• Package: SOIC-16
• Essence: Logic level translation and multiplexing functionality
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• High-level Input Voltage: 2.0V to VCC + 0.3V
• Low-level Input Voltage: -0.3V to 0.8V
• High-level Output Voltage: VCC - 0.3V
• Low-level Output Voltage: 0.3V
• Maximum Input Current: ±10mA
• Maximum Output Current: ±25mA
• Propagation Delay Time: 7ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LVX257DR2 has a total of 16 pins arranged as follows:

1. A1 (Input A1)
2. B1 (Input B1)
3. Y1 (Output Y1)
4. GND (Ground)
5. A2 (Input A2)
6. B2 (Input B2)
7. Y2 (Output Y2)
8. E (Enable Input)
9. Y3 (Output Y3)
10. B3 (Input B3)
11. A3 (Input A3)
12. Y4 (Output Y4)
13. VCC (Supply Voltage)
14. B4 (Input B4)
15. A4 (Input A4)
16. GND (Ground)

Functional Features

The MC74LVX257DR2 is a low-voltage quad 2-input multiplexer designed for logic level translation applications. It features a wide supply voltage range of 2.0V to 5.5V, making it suitable for use in various low-power electronic devices. The device offers four independent multiplexers with common select inputs (E) and individual data inputs (A1-A4, B1-B4). The outputs (Y1-Y4) are determined by the select inputs and data inputs. The enable input (E) controls the operation of the multiplexers.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with different systems - Low power consumption - Compact SOIC-16 package for space-saving designs - High-speed operation with low propagation delay time

Disadvantages: - Limited number of inputs and outputs - Lack of built-in protection features

Working Principles

The MC74LVX257DR2 operates based on the principles of digital logic. The select inputs (E) determine which set of data inputs (A1-A4, B1-B4) are connected to the outputs (Y1-Y4). When the enable input (E) is high, the multiplexers are enabled, and the selected data inputs are passed through to the corresponding outputs. When the enable input (E) is low, the outputs are in a high-impedance state.

Detailed Application Field Plans

The MC74LVX257DR2 can be used in various applications that require logic level translation and multiplexing. Some potential application fields include:

1. Communication Systems: Used for signal routing and level translation in communication equipment.
2. Industrial Automation: Enables selection and routing of different sensor signals in industrial control systems.
3. Automotive Electronics: Facilitates data exchange between different voltage domains in automotive electronics.
4. Consumer Electronics: Provides level shifting capabilities for interfacing between different logic families in consumer electronic devices.

Detailed and Complete Alternative Models

1. SN74LVX257: Similar low-voltage quad 2-input multiplexer from Texas Instruments.
2. CD74LVX257: Low-voltage CMOS quad 2-input multiplexer from Texas Instruments.
3. 74HC257: High-speed CMOS quad 2-input multiplexer from various manufacturers.

(Note: The above list is not exhaustive and other alternative models may exist.)

This concludes the encyclopedia entry for MC74LVX257DR2, a low-voltage quad 2-input multiplexer IC used for logic level translation applications.