74LCXR2245MTC

Product Overview

Category

The 74LCXR2245MTC belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for level shifting and voltage translation applications.

Characteristics

• Low-voltage operation: The 74LCXR2245MTC operates at low voltages, making it suitable for use in battery-powered devices.
• Bidirectional data flow: It supports bidirectional data transfer between different voltage domains.
• High-speed operation: This IC is designed to operate at high speeds, enabling efficient data transmission.
• ESD protection: The 74LCXR2245MTC offers built-in electrostatic discharge (ESD) protection, ensuring reliability in various environments.

Package

The 74LCXR2245MTC is available in a small-sized TSSOP-20 package.

Essence

The essence of the 74LCXR2245MTC lies in its ability to facilitate communication between devices operating at different voltage levels.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Data Rate: 400 Mbps
• Number of Channels: 8

Detailed Pin Configuration

The 74LCXR2245MTC has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Address Input) 1
3. I/O1 (Bidirectional Data I/O) 1
4. GND (Ground)
5. I/O2 (Bidirectional Data I/O) 2
6. A2 (Address Input) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. I/O3 (Bidirectional Data I/O) 3
10. A3 (Address Input) 3
11. I/O4 (Bidirectional Data I/O) 4
12. GND (Ground)
13. I/O5 (Bidirectional Data I/O) 5
14. A4 (Address Input) 4
15. OE (Output Enable) 3
16. VCC (Supply Voltage)
17. I/O6 (Bidirectional Data I/O) 6
18. A5 (Address Input) 5
19. I/O7 (Bidirectional Data I/O) 7
20. I/O8 (Bidirectional Data I/O) 8

Functional Features

• Bidirectional voltage translation: The 74LCXR2245MTC allows for bidirectional data transfer between devices operating at different voltage levels.
• Automatic direction control: The IC automatically determines the direction of data flow based on the voltage levels of the input signals.
• Low power consumption: It is designed to consume minimal power, making it suitable for battery-powered applications.
• ESD protection: The built-in ESD protection safeguards the IC from electrostatic discharge events, enhancing its reliability.

Advantages and Disadvantages

Advantages

• Efficient voltage level shifting between different domains.
• High-speed operation for quick data transmission.
• Low power consumption, ideal for portable devices.
• Built-in ESD protection ensures reliability in various environments.

Disadvantages

• Limited number of channels (8).
• Requires careful consideration of voltage compatibility between devices.

Working Principles

The 74LCXR2245MTC operates by utilizing a combination of MOSFETs and logic gates to perform bidirectional voltage translation. It detects the voltage levels of the input signals and automatically determines the direction of data flow. The IC ensures that the output signals are compatible with the voltage requirements of the target device, enabling seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LCXR2245MTC finds applications in various fields, including:

1. IoT devices: Facilitating communication between low-voltage sensors and microcontrollers operating at higher voltages.
2. Mobile devices: Enabling data transfer between different voltage domains within smartphones and tablets.
3. Industrial automation: Supporting voltage translation between control systems and peripheral devices.
4. Automotive electronics: Allowing for level shifting between different components in automotive systems.
5. Consumer electronics: Enabling compatibility between devices with varying voltage requirements.

Detailed and Complete Alternative Models

1. SN74LVC245A: A similar IC offering bidirectional voltage translation with a wider supply voltage range.
2. TXB0108: An alternative IC providing bidirectional voltage translation with a higher number of channels.
3. PCA9306: A level shifter IC specifically designed for I2C