Encyclopedia Entry: 74LVQ245MTR

Product Overview

Category

The 74LVQ245MTR belongs to the category of integrated circuits (ICs) and specifically falls under the family of logic level shifters.

Use

This product is primarily used for voltage level shifting in digital systems. It allows for seamless communication between devices operating at different voltage levels.

Characteristics

• Logic Level Shifter: The 74LVQ245MTR is designed to shift logic levels from one voltage domain to another, ensuring compatibility between different components.
• High-Speed Operation: This IC operates at high speeds, making it suitable for applications that require fast data transfer.
• Low Power Consumption: The 74LVQ245MTR is designed to consume minimal power, making it energy-efficient.
• Wide Voltage Range: It supports a wide range of input and output voltage levels, providing flexibility in various applications.

Package and Quantity

The 74LVQ245MTR is available in a small outline transistor (SOT) package. Each package contains one unit of the IC.

Specifications

• Supply Voltage: 1.65V to 5.5V
• Input Voltage Levels: 0V to VCC
• Output Voltage Levels: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Pins: 20
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 74LVQ245MTR has a total of 20 pins, each serving a specific function. The detailed pin configuration is as follows:

1. OE (Output Enable)
2. A1 (Input/Output)
3. B1 (Input/Output)
4. A2 (Input/Output)
5. B2 (Input/Output)
6. A3 (Input/Output)
7. B3 (Input/Output)
8. A4 (Input/Output)
9. B4 (Input/Output)
10. GND (Ground)
11. B5 (Input/Output)
12. A5 (Input/Output)
13. B6 (Input/Output)
14. A6 (Input/Output)
15. B7 (Input/Output)
16. A7 (Input/Output)
17. B8 (Input/Output)
18. A8 (Input/Output)
19. VCC (Supply Voltage)
20. DIR (Direction Control)

Functional Features

• Bidirectional Level Shifting: The 74LVQ245MTR allows for bidirectional voltage level shifting, enabling communication between devices with different voltage requirements.
• Direction Control: The DIR pin controls the direction of data flow, allowing flexibility in system design.
• Output Enable: The OE pin enables or disables the outputs, providing control over the data transmission.

Advantages and Disadvantages

Advantages

• Wide Voltage Range: Supports a broad range of input and output voltage levels, enhancing compatibility.
• High-Speed Operation: Enables fast data transfer, suitable for time-critical applications.
• Low Power Consumption: Energy-efficient design helps conserve power in electronic systems.

Disadvantages

• Limited Pin Count: The 74LVQ245MTR has a limited number of pins, which may restrict its use in complex systems requiring more connections.
• Temperature Sensitivity: The operating temperature range is limited to -40°C to +85°C, making it unsuitable for extreme temperature environments.

Working Principles

The 74LVQ245MTR operates based on the principles of voltage level shifting. It utilizes internal circuitry to convert logic signals from one voltage domain to another while maintaining signal integrity and ensuring proper communication between devices.

Application Field Plans

The 74LVQ245MTR finds applications in various fields, including: 1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels. 2. Sensor Networks: Enables connectivity between sensors and control units with varying voltage requirements. 3. Industrial Automation: Used in automation systems to interface different components operating at different voltage levels.

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the 74LVQ245MTR: - SN74LVC245A - MC74VHC245 - CD74HCT245

These alternatives offer comparable voltage level shifting capabilities and can be considered based on specific project requirements.

In conclusion, the 74LVQ245MTR is a versatile logic level shifter IC that enables seamless voltage level shifting in digital systems. With its wide voltage range, high-speed operation, and low power consumption, it finds applications in various fields such as microcontroller interfacing, sensor networks, and industrial automation.

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