Encyclopedia Entry: 74LVT2245MTC

Product Overview

Category

The 74LVT2245MTC belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This product is primarily used for bidirectional data communication between two buses with different voltage levels. It acts as a buffer, allowing seamless data transfer between these buses.

Characteristics

• Voltage Level Translation: The 74LVT2245MTC facilitates translation between two voltage domains, ensuring compatibility and reliable data transfer.
• Bidirectional Communication: This IC enables data transmission in both directions, making it suitable for applications requiring simultaneous data exchange.
• High-Speed Operation: With its fast switching capabilities, this transceiver supports high-speed data transfer rates, enhancing overall system performance.

Package

The 74LVT2245MTC is available in a small outline integrated circuit (SOIC) package. This package offers compactness and ease of integration into various electronic systems.

Essence

The essence of the 74LVT2245MTC lies in its ability to bridge the gap between buses operating at different voltage levels, enabling efficient data communication.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Voltage Levels: 1.8V to 3.6V
• Number of Channels: 8
• Input/Output Compatibility: TTL, CMOS
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74LVT2245MTC features a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Bus A) 1
3. B1 (Data Bus B) 1
4. GND (Ground)
5. B2 (Data Bus B) 2
6. A2 (Data Bus A) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. DIR (Direction Control)
10. B3 (Data Bus B) 3
11. A3 (Data Bus A) 3
12. OE (Output Enable) 3
13. GND (Ground)
14. A4 (Data Bus A) 4
15. B4 (Data Bus B) 4
16. OE (Output Enable) 4
17. VCC (Supply Voltage)
18. B5 (Data Bus B) 5
19. A5 (Data Bus A) 5
20. OE (Output Enable) 5

Functional Features

• Bidirectional Data Transfer: The 74LVT2245MTC allows data to be transmitted in both directions, facilitating seamless communication between two buses.
• Voltage Level Translation: This IC ensures compatibility between buses operating at different voltage levels, eliminating the need for additional level-shifting components.
• Output Enable Control: The output enable pins provide control over the direction of data flow, allowing selective activation of the transceiver.

Advantages and Disadvantages

Advantages

• Simplified Design: By providing voltage level translation and bidirectional communication in a single component, the 74LVT2245MTC simplifies circuit design and reduces component count.
• High-Speed Operation: With its fast switching capabilities, this transceiver enables efficient data transfer at high speeds, enhancing overall system performance.
• Compact Package: The small outline integrated circuit (SOIC) package offers space-saving benefits and ease of integration into various electronic systems.

Disadvantages

• Limited Voltage Range: The 74LVT2245MTC is designed for a specific voltage range (2.7V to 3.6V), which may restrict its use in applications requiring different voltage levels.
• Sensitivity to ESD: Like many integrated circuits, this transceiver is susceptible to electrostatic discharge (ESD) damage. Proper handling and ESD precautions are necessary during installation and usage.

Working Principles

The 74LVT2245MTC operates based on the principles of voltage level translation and bidirectional data transfer. It utilizes internal circuitry to convert signals between two buses with different voltage levels while maintaining data integrity. The direction of data flow is controlled by the output enable pins, allowing selective activation of the transceiver.

Detailed Application Field Plans

The 74LVT2245MTC finds application in various fields where bidirectional data communication between buses with different voltage levels is required. Some potential application areas include:

1. Industrial Automation: This trans