74LVC240AD,112

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low Voltage CMOS Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This IC is designed to shift logic levels between different voltage domains, allowing compatibility between devices operating at different voltage levels.
• Packaging/Quantity: The 74LVC240AD,112 is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• High-Level Input Voltage: 0.7 x VCC
• Low-Level Input Voltage: 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC
• Low-Level Output Voltage: 0.1 x VCC
• Maximum Operating Frequency: 80 MHz
• Number of Channels: 8
• Input/Output Compatibility: 5V Tolerant

Detailed Pin Configuration

The 74LVC240AD,112 has a total of 20 pins, which are arranged as follows:

1. A1 - Input/Output Pin
2. Y1 - Output Pin
3. A2 - Input/Output Pin
4. Y2 - Output Pin
5. GND - Ground Pin
6. A3 - Input/Output Pin
7. Y3 - Output Pin
8. A4 - Input/Output Pin
9. Y4 - Output Pin
10. VCC - Power Supply Pin
11. A5 - Input/Output Pin
12. Y5 - Output Pin
13. A6 - Input/Output Pin
14. Y6 - Output Pin
15. A7 - Input/Output Pin
16. Y7 - Output Pin
17. A8 - Input/Output Pin
18. Y8 - Output Pin
19. OE - Output Enable Pin
20. GND - Ground Pin

Functional Features

• Logic Level Shifting: The 74LVC240AD,112 allows for bidirectional voltage level shifting between different logic domains.
• 5V Tolerant Inputs and Outputs: This IC can handle input and output signals up to 5V, making it compatible with devices operating at higher voltage levels.
• High-Speed Operation: With a maximum operating frequency of 80 MHz, this IC is suitable for high-speed applications.
• Low Power Consumption: The 74LVC240AD,112 is designed to minimize power consumption, making it ideal for battery-powered devices.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for compatibility with various systems. - 5V tolerant inputs and outputs provide flexibility in interfacing with different devices. - High-speed operation enables efficient data transfer. - Low power consumption prolongs battery life in portable applications.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex systems requiring more connections. - Not suitable for voltage level shifting beyond the specified supply voltage range.

Working Principles

The 74LVC240AD,112 operates by using CMOS technology to shift logic levels between different voltage domains. It consists of eight buffer/driver circuits that can be independently controlled. The input signals are level-shifted to match the desired output voltage level, allowing seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LVC240AD,112 finds applications in various fields, including:

1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels.
2. Sensor Networks: The IC enables communication between sensors and microcontrollers with different voltage requirements.
3. Industrial Automation: It can be employed in industrial automation systems to interface between different logic domains.
4. Consumer Electronics: The IC is suitable for use in devices such as smartphones, tablets, and gaming consoles that require voltage level shifting.

Detailed and Complete Alternative Models

1. 74LVC245A: Octal Bus Transceiver with 3-State Outputs
2. SN74LVC240A: Octal Buffer/Driver with 3-State Outputs
3. MC74LVC240A: Low Voltage CMOS Octal Buffer/Line Driver

These alternative models offer similar functionality and can be used as substitutes for the 74LVC240AD,112 depending on specific application requirements.

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