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SN74LV245ADBR
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SN74LV245ADBR

Product Overview

Category

SN74LV245ADBR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for voltage level shifting and signal buffering in various electronic devices.

Characteristics

  • Low-voltage operation: SN74LV245ADBR operates at low voltage levels, typically between 1.65V and 5.5V.
  • High-speed performance: It offers fast switching speeds, making it suitable for applications requiring quick data transfer.
  • Bidirectional functionality: This IC can handle both input and output signals, allowing bidirectional communication.
  • Wide operating temperature range: SN74LV245ADBR can operate reliably in temperatures ranging from -40°C to 85°C.

Package

SN74LV245ADBR is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of SN74LV245ADBR lies in its ability to facilitate voltage level shifting and signal buffering, ensuring seamless communication between different components within an electronic system.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel containing a specific quantity of SN74LV245ADBR 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
  • Number of Pins: 20
  • Logic Family: LV
  • Logic Type: Non-Inverting
  • Number of Channels: 8

Detailed Pin Configuration

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

Functional Features

  • Bidirectional voltage level shifting: SN74LV245ADBR allows for bidirectional data transfer between two systems operating at different voltage levels.
  • Signal buffering: It provides signal buffering to prevent signal degradation and ensure reliable communication between devices.
  • Direction control: The DIR pin enables the user to control the direction of data flow, allowing flexibility in system design.
  • Output enable: The OE pin allows the user to enable or disable the outputs, providing additional control over the data transmission.

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows compatibility with various systems.
  • High-speed performance facilitates fast data transfer.
  • Bidirectional functionality simplifies system design.
  • Small package size saves board space.

Disadvantages

  • Limited number of channels may restrict its use in applications requiring a higher number of data lines.
  • Lack of built-in protection features may require additional circuitry for robustness.

Working Principles

SN74LV245ADBR operates based on the principles of voltage level shifting and signal buffering. It receives input signals from one system, adjusts their voltage levels to match the requirements of another system, and then transmits the signals to the destination system. The bidirectional functionality allows data to flow in both directions, enabling seamless communication between systems operating at different voltage levels.

Detailed Application Field Plans

SN74LV245ADBR finds applications in various electronic systems where voltage level shifting and signal buffering are required. Some common application fields include:

  1. Microcontroller interfacing: It can be used to interface microcontrollers with peripheral devices operating at different voltage levels.
  2. Communication systems: SN74LV245ADBR facilitates voltage level translation in communication systems, ensuring compatibility between different components.
  3. Industrial automation: It is suitable for use in industrial automation systems where multiple devices need to communicate at different voltage levels.
  4. Consumer electronics: This IC can be employed in consumer electronic devices to enable communication between subsystems operating

10 pirs û bersivên hevpar ên têkildarî sepana SN74LV245ADBR di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of SN74LV245ADBR in technical solutions:

  1. Q: What is SN74LV245ADBR? A: SN74LV245ADBR is a bidirectional 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 SN74LV245ADBR? A: SN74LV245ADBR operates within a voltage range of 1.65V to 5.5V.

  3. Q: How many channels does SN74LV245ADBR have? A: SN74LV245ADBR has 8 bidirectional channels, allowing data transmission in both directions.

  4. Q: What is the maximum data transfer rate supported by SN74LV245ADBR? A: SN74LV245ADBR supports data transfer rates up to 100 Mbps.

  5. Q: Can SN74LV245ADBR be used for level shifting between different voltage domains? A: Yes, SN74LV245ADBR can be used for level shifting between voltage domains, as long as the voltage levels are within its operating range.

  6. Q: Does SN74LV245ADBR have any built-in protection features? A: Yes, SN74LV245ADBR has built-in ESD protection on all inputs and outputs, providing robustness against electrostatic discharge.

  7. Q: Can SN74LV245ADBR be used in both 3.3V and 5V systems? A: Yes, SN74LV245ADBR is compatible with both 3.3V and 5V systems, making it versatile for various applications.

  8. Q: What is the power supply current consumption of SN74LV245ADBR? A: The power supply current consumption of SN74LV245ADBR is typically around 8 mA.

  9. Q: Can SN74LV245ADBR be used for level shifting analog signals? A: No, SN74LV245ADBR is designed for digital signals and may not provide accurate level shifting for analog signals.

  10. Q: Are there any application notes or reference designs available for SN74LV245ADBR? A: Yes, Texas Instruments provides application notes and reference designs that showcase the usage of SN74LV245ADBR in various technical solutions. These resources can be found on their website.

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