SN74LVT245BZQNR

Product Overview

Category

SN74LVT245BZQNR 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 SN74LVT245BZQNR operates at a low voltage range, typically between 1.65V and 3.6V.
• Bidirectional data transfer: It allows bidirectional data flow between two voltage domains.
• High-speed performance: This IC offers high-speed data transmission with minimal propagation delay.
• ESD protection: It provides built-in electrostatic discharge (ESD) protection, ensuring reliability in various environments.

Package

The SN74LVT245BZQNR is available in a small-outline package (SOIC), which is a surface-mount package type.

Essence

The essence of SN74LVT245BZQNR lies in its ability to facilitate voltage level shifting, enabling seamless communication between devices operating at different voltage levels.

Packaging/Quantity

This IC is typically packaged in reels or tubes, containing a specific quantity per package, such as 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Family: LVT (Low-Voltage TTL)
• Number of Channels: 8
• Input/Output Compatibility: TTL/CMOS
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: <10ns
• Output Drive Strength: ±12mA

Detailed Pin Configuration

The SN74LVT245BZQNR has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. I/O1 (Bidirectional Data Bus) 1
4. I/O2 (Bidirectional Data Bus) 2
5. A2 (Data Input/Output) 2
6. GND (Ground)
7. VCC (Supply Voltage)
8. B2 (Data Input/Output) 2
9. I/O3 (Bidirectional Data Bus) 3
10. I/O4 (Bidirectional Data Bus) 4
11. B1 (Data Input/Output) 1
12. OE (Output Enable) 2
13. DIR (Direction Control)
14. GND (Ground)
15. VCC (Supply Voltage)
16. B4 (Data Input/Output) 4
17. I/O5 (Bidirectional Data Bus) 5
18. I/O6 (Bidirectional Data Bus) 6
19. A4 (Data Input/Output) 4
20. A3 (Data Input/Output) 3

Functional Features

• Bidirectional voltage translation: The SN74LVT245BZQNR allows bidirectional data transfer between two voltage domains, making it suitable for interfacing different logic families.
• Direction control: The DIR pin controls the direction of data flow, enabling easy switching between input and output modes.
• Output enable: The OE pins can be used to enable or disable the outputs, providing flexibility in system design.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it compatible with a wide range of devices.
• High-speed performance ensures efficient data transmission.
• Built-in ESD protection enhances reliability.
• Bidirectional data transfer simplifies interface design.

Disadvantages

• Limited number of channels (8) may not be sufficient for complex applications requiring more connections.
• Requires careful consideration of voltage levels to avoid signal degradation.

Working Principles

The SN74LVT245BZQNR operates based on the principles of voltage level shifting. It uses a combination of transistors and logic gates to convert signals between different voltage domains. The bidirectional data bus allows seamless communication between devices operating at different voltage levels, ensuring compatibility and reliable data transfer.

Detailed Application Field Plans

The SN74LVT245BZQNR finds applications in various fields where voltage translation is required. Some common application areas include:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors and control units with varying voltage requirements.
3. Industrial automation: Used for interfacing different components in industrial automation systems, such as PLCs and motor controllers.
4. Communication systems: Enables voltage translation in communication interfaces like UART, SPI, and I2C.
5. Consumer electronics: Used in devices that require level shifting, such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

• TXS0108E: 8