이미지는 예시일 수 있습니다.
제품 세부사항은 사양을 확인하세요.
SN74LV245APWR

SN74LV245APWR

Product Overview

Category

SN74LV245APWR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for level shifting and voltage translation in various electronic applications.

Characteristics

  • Low-voltage operation: SN74LV245APWR operates at a low voltage range, typically between 1.65V and 5.5V.
  • Bidirectional data transfer: It allows bidirectional data flow between two voltage domains.
  • High-speed performance: This IC offers fast switching speeds, making it suitable for high-frequency applications.
  • ESD protection: It incorporates electrostatic discharge (ESD) protection, ensuring reliability in harsh environments.

Package

SN74LV245APWR comes in a small-sized TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of SN74LV245APWR lies in its ability to facilitate seamless data transfer between different voltage levels, ensuring compatibility between various components within an electronic system.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of SN74LV245APWR ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Data Rate: 100 Mbps

Detailed Pin Configuration

SN74LV245APWR consists of 20 pins, each serving a specific function:

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

Functional Features

  • Bidirectional voltage translation: SN74LV245APWR allows bidirectional data transfer between two voltage domains, ensuring seamless communication between different parts of an electronic system.
  • Direction control: The DIR pin controls the direction of data flow, enabling flexible data routing.
  • Output enable: The OE pin enables or disables the outputs, providing control over when the IC actively drives the connected components.

Advantages and Disadvantages

Advantages

  • Low-voltage operation makes it compatible with a wide range of systems.
  • High-speed performance allows for efficient data transfer in time-critical applications.
  • ESD protection ensures reliability in challenging environments.

Disadvantages

  • Limited to specific voltage ranges (1.65V to 5.5V), which may not be suitable for all applications.
  • TSSOP package may require careful handling during assembly.

Working Principles

SN74LV245APWR operates based on the principles of voltage level shifting. It uses a combination of transistors and logic gates to convert signals from one voltage domain to another. The direction control input (DIR) determines the direction of data flow, while the output enable input (OE) enables or disables the outputs. By controlling these inputs, the IC facilitates bidirectional data transfer between different voltage levels.

Detailed Application Field Plans

SN74LV245APWR finds applications in various electronic systems, including but not limited to: - Microcontrollers and microprocessors - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics

In microcontroller-based systems, this IC is often used for level shifting between the microcontroller's I/O pins and other peripheral devices operating at different voltage levels. In communication systems, it enables seamless data transfer between different modules or subsystems. In industrial automation, SN74LV245APWR helps interface sensors and actuators with control systems. It also plays a crucial role in consumer electronics, ensuring compatibility between different components within a device.

Detailed and Complete Alternative Models

There are several alternative models available that serve similar purposes to SN74LV245APWR. Some notable alternatives include:

  1. 74LVC245: This IC offers similar functionality but operates at a wider voltage range (1.2V to 3.6V).
  2. 74HC245: It provides bidirectional voltage

기술 솔루션에 SN74LV245APWR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of SN74LV245APWR:

  1. Q: What is SN74LV245APWR? A: SN74LV245APWR is a non-inverting octal bus transceiver with 3-state outputs, commonly used for level shifting and voltage translation in digital systems.

  2. Q: What is the operating voltage range of SN74LV245APWR? A: SN74LV245APWR operates within a voltage range of 1.65V to 5.5V.

  3. Q: How many channels does SN74LV245APWR have? A: SN74LV245APWR has 8 bidirectional channels, allowing data transmission in both directions.

  4. Q: What is the maximum data transfer rate supported by SN74LV245APWR? A: SN74LV245APWR supports data transfer rates up to 100 Mbps.

  5. Q: Can SN74LV245APWR be used for level shifting between different voltage domains? A: Yes, SN74LV245APWR can be used for level shifting between voltage domains, as long as the voltage levels are within its operating range.

  6. Q: Does SN74LV245APWR have any built-in protection features? A: No, SN74LV245APWR does not have built-in protection features. External protection components may be required depending on the application.

  7. Q: Can SN74LV245APWR be used in high-speed applications? A: While SN74LV245APWR supports data transfer rates up to 100 Mbps, it may not be suitable for very high-speed applications. In such cases, other specialized ICs may be more appropriate.

  8. Q: Is SN74LV245APWR compatible with both TTL and CMOS logic levels? A: Yes, SN74LV245APWR is compatible with both TTL and CMOS logic levels, making it versatile for various digital systems.

  9. Q: Can SN74LV245APWR be used in bidirectional communication systems? A: Yes, SN74LV245APWR is designed for bidirectional data transmission, making it suitable for use in bidirectional communication systems.

  10. Q: What is the package type of SN74LV245APWR? A: SN74LV245APWR is available in a TSSOP-20 package, which is a small surface-mount package with 20 pins.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.