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SN74LVC8T245NSR
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SN74LVC8T245NSR

Product Overview

Category

SN74LVC8T245NSR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for level shifting and voltage translation applications.

Characteristics

  • Low-voltage CMOS technology
  • 8-bit bidirectional voltage-level translator
  • Wide operating voltage range: 1.65V to 5.5V
  • High-speed operation: up to 100 MHz
  • 3-state outputs for bus-oriented applications
  • Supports mixed-mode signal operation on all ports
  • Schmitt-trigger inputs for noise immunity
  • Available in a small package for space-constrained designs

Package

SN74LVC8T245NSR is available in a surface-mount package known as NSR (Small Outline No-Lead). This package offers ease of assembly and compatibility with automated manufacturing processes.

Essence

The essence of SN74LVC8T245NSR lies in its ability to provide bidirectional voltage-level translation between different voltage domains, making it an essential component in systems where interfacing between devices with different voltage levels is required.

Packaging/Quantity

SN74LVC8T245NSR 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 supplier or manufacturer.

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 Propagation Delay: 6 ns
  • Maximum Operating Frequency: 100 MHz
  • Number of Channels: 8

Detailed Pin Configuration

The pin configuration of SN74LVC8T245NSR is as follows:

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

Functional Features

  • Bidirectional voltage-level translation: SN74LVC8T245NSR allows for seamless translation of signals between different voltage domains, enabling communication between devices operating at different voltage levels.
  • Mixed-mode signal operation: This IC supports the operation of mixed-mode signals on all ports, allowing for versatile usage in various applications.
  • 3-state outputs: The 3-state outputs enable bus-oriented applications, where multiple devices can share a common bus without interfering with each other.

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows compatibility with a variety of systems.
  • High-speed operation enables efficient data transfer.
  • Schmitt-trigger inputs provide noise immunity, ensuring reliable signal transmission.
  • Small package size facilitates space-constrained designs.

Disadvantages

  • Limited number of channels (8) may not be sufficient for applications requiring a higher channel count.
  • Propagation delay of 6 ns may introduce timing constraints in certain high-speed applications.

Working Principles

SN74LVC8T245NSR operates based on the principles of voltage-level translation. It utilizes CMOS technology to shift signals between different voltage domains. The direction of translation is controlled by the DIR pin, allowing bidirectional communication between devices with varying voltage levels.

Detailed Application Field Plans

SN74LVC8T245NSR finds applications in various fields, including but not limited to:

  1. IoT devices: Facilitating communication between low-power sensors and microcontrollers operating at different voltage levels.
  2. Industrial automation: Enabling interfacing between control systems and peripheral devices with varying voltage requirements.
  3. Consumer electronics: Supporting voltage translation between different components in smartphones, tablets, and other portable devices.
  4. Automotive electronics: Allowing communication between different subsystems operating at different voltage levels within a vehicle.
  5. Communication systems: Enabling

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74LVC8T245NSR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74LVC8T245NSR in technical solutions:

  1. Q: What is SN74LVC8T245NSR? A: SN74LVC8T245NSR is a bidirectional voltage-level translator and voltage-level shifter integrated circuit (IC) commonly used in digital systems.

  2. Q: What is the purpose of SN74LVC8T245NSR? A: SN74LVC8T245NSR is used to translate logic levels between different voltage domains, allowing communication between devices operating at different voltage levels.

  3. Q: What voltage levels can SN74LVC8T245NSR support? A: SN74LVC8T245NSR supports voltage translation between 1.2V and 5.5V, making it compatible with a wide range of digital systems.

  4. Q: How many channels does SN74LVC8T245NSR have? A: SN74LVC8T245NSR has 8 bidirectional channels, allowing for simultaneous translation of up to 8 signals.

  5. Q: Can SN74LVC8T245NSR handle high-speed data transmission? A: Yes, SN74LVC8T245NSR is designed to support high-speed data transmission, making it suitable for applications requiring fast signal propagation.

  6. Q: Is SN74LVC8T245NSR compatible with both CMOS and TTL logic levels? A: Yes, SN74LVC8T245NSR is compatible with both CMOS and TTL logic levels, providing flexibility in interfacing with different types of digital circuits.

  7. Q: Does SN74LVC8T245NSR require external power supply decoupling capacitors? A: Yes, it is recommended to use external power supply decoupling capacitors to ensure stable operation and minimize noise.

  8. Q: Can SN74LVC8T245NSR be used in both 3.3V and 5V systems? A: Yes, SN74LVC8T245NSR can be used in both 3.3V and 5V systems, making it versatile for various applications.

  9. Q: What is the maximum data rate supported by SN74LVC8T245NSR? A: SN74LVC8T245NSR supports a maximum data rate of 100 Mbps, allowing for high-speed data transmission.

  10. Q: Are there any special considerations when using SN74LVC8T245NSR in mixed-voltage systems? A: Yes, it is important to ensure proper voltage translation directionality and take into account signal integrity and timing requirements to avoid issues in mixed-voltage systems.

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