SN74LVC8T245DBR

Product Overview

Category

The SN74LVC8T245DBR belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This IC is primarily used for bidirectional level shifting and voltage translation between different logic levels in digital systems. It enables seamless communication between devices operating at different voltage levels.

Characteristics

• Bidirectional voltage translation
• Supports multiple logic levels
• Low power consumption
• High-speed operation
• Wide operating voltage range
• ESD protection
• RoHS compliant

Package

The SN74LVC8T245DBR is available in a small-outline integrated circuit (SOIC) package. The package type is DBR, which stands for "drain-bend reverse."

Essence

The essence of the SN74LVC8T245DBR lies in its ability to facilitate reliable and efficient communication between devices operating at different voltage levels, ensuring compatibility and seamless data transfer.

Packaging/Quantity

The SN74LVC8T245DBR is typically packaged in reels or tubes, with each reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier or manufacturer.

Specifications

• Supply Voltage: 1.65V to 5.5V
• Logic Voltage Levels: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and 5V
• Number of Channels: 8
• Input/Output Type: Tri-State
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC
• Package Dimensions: 3.9mm x 4.9mm

Detailed Pin Configuration

The SN74LVC8T245DBR has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. OE (Output Enable) - Output Enable Control
2. A1 - Channel A Data Input/Output
3. B1 - Channel B Data Input/Output
4. GND - Ground
5. B2 - Channel B Data Input/Output
6. A2 - Channel A Data Input/Output
7. VCCA - Channel A Supply Voltage
8. VCCB - Channel B Supply Voltage
9. DIR (Direction Control) - Direction Control Input
10. NC (No Connection)
11. B3 - Channel B Data Input/Output
12. A3 - Channel A Data Input/Output
13. B4 - Channel B Data Input/Output
14. A4 - Channel A Data Input/Output
15. B5 - Channel B Data Input/Output
16. A5 - Channel A Data Input/Output
17. B6 - Channel B Data Input/Output
18. A6 - Channel A Data Input/Output
19. B7 - Channel B Data Input/Output
20. A7 - Channel A Data Input/Output

Functional Features

• Bidirectional voltage translation between different logic levels
• Automatic direction control based on the DIR input
• Tri-state outputs for easy interfacing with other devices
• ESD protection to safeguard against electrostatic discharge
• Low power consumption for energy-efficient operation
• High-speed data transfer up to 100 Mbps

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices operating at different voltage levels
• Supports multiple logic voltage levels, enhancing compatibility
• Provides bidirectional voltage translation for versatile applications
• Offers ESD protection, ensuring device reliability
• Low power consumption for energy efficiency
• High-speed operation for efficient data transfer

Disadvantages

• May require additional external components for specific applications
• Limited to a maximum data rate of 100 Mbps

Working Principles

The SN74LVC8T245DBR operates by receiving data from one side (Channel A) and transmitting it to the other side (Channel B) or vice versa, depending on the direction control input (DIR). The bidirectional voltage translation is achieved through internal circuitry that adapts the logic levels between the two channels. The tri-state outputs allow easy interfacing with other devices, enabling seamless communication.

Detailed Application Field Plans

The SN74LVC8T245DBR finds applications in various fields where voltage translation and level shifting are required. Some potential application areas include:

1. Microcontroller interfacing with different voltage peripherals
2. Communication systems involving multiple logic levels
3. Industrial automation and control systems
4. Automotive electronics
5. Consumer electronics
6. IoT (Internet of Things) devices
7. Robotics and embedded systems

Detailed and Complete Alternative Models

1. TXB010