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SN74LV245ATRGYR
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SN74LV245ATRGYR

Product Overview

  • Category: Integrated Circuit
  • Use: Level Shifter/Transceiver
  • Characteristics: Low-voltage, Octal Bus Transceiver with 3-State Outputs
  • Package: 20-VQFN (4x4)
  • Essence: This integrated circuit is designed to shift voltage levels and act as a bidirectional transceiver for bus-oriented systems.
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-Level Input Voltage: 2.1V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: 2.4V (min) at IOH = -12mA
  • Low-Level Output Voltage: 0.4V (max) at IOL = 12mA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74LV245ATRGYR has a total of 20 pins arranged as follows:

  1. DIR (Direction Control)
  2. OE (Output Enable)
  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. B8 (Data Input/Output)
  19. A8 (Data Input/Output)
  20. VCC (Supply Voltage)

Functional Features

  • Bidirectional voltage level shifting
  • 3-state outputs for bus-oriented systems
  • Low-voltage operation suitable for battery-powered devices
  • High-speed data transmission
  • ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - 3-state outputs enable easy bus sharing - ESD protection ensures reliability in harsh environments - Small package size saves board space

Disadvantages: - Limited number of input/output channels (8-bit)

Working Principles

The SN74LV245ATRGYR operates by receiving data from one set of pins (A1-A8) and transmitting it to another set of pins (B1-B8) when the direction control (DIR) pin is set accordingly. The output enable (OE) pin controls the tri-state outputs, allowing multiple devices to share a common bus.

Detailed Application Field Plans

The SN74LV245ATRGYR is commonly used in various applications, including:

  1. Microcontroller interfacing
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

Detailed and Complete Alternative Models

  1. SN74LVC245A: Similar functionality with improved voltage tolerance
  2. SN74HCT245: Higher voltage operation with TTL compatibility
  3. SN74LVCH245A: Lower power consumption with similar features

These alternative models provide similar functionality to the SN74LV245ATRGYR but may have different characteristics or specifications that suit specific application requirements.

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技術ソリューションにおける SN74LV245ATRGYR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SN74LV245ATRGYR:

  1. Q: What is SN74LV245ATRGYR? A: SN74LV245ATRGYR is a type of octal bus transceiver that can be used for bidirectional data transfer between different voltage levels.

  2. Q: What is the operating voltage range of SN74LV245ATRGYR? A: The operating voltage range of SN74LV245ATRGYR is from 1.65V to 5.5V.

  3. Q: How many channels does SN74LV245ATRGYR have? A: SN74LV245ATRGYR has 8 channels, allowing it to handle 8-bit data transfers.

  4. Q: Can SN74LV245ATRGYR be used for level shifting? A: Yes, SN74LV245ATRGYR can be used for level shifting as it supports bidirectional voltage translation.

  5. Q: What is the maximum data rate supported by SN74LV245ATRGYR? A: SN74LV245ATRGYR can support data rates up to 100 Mbps.

  6. Q: Does SN74LV245ATRGYR have any built-in protection features? A: Yes, SN74LV245ATRGYR has built-in ESD protection on all inputs and outputs.

  7. Q: Can SN74LV245ATRGYR be used in both 3.3V and 5V systems? A: Yes, SN74LV245ATRGYR is compatible with both 3.3V and 5V systems, making it versatile for various applications.

  8. Q: What is the power supply voltage required for SN74LV245ATRGYR? A: SN74LV245ATRGYR requires a power supply voltage between 1.65V and 5.5V.

  9. Q: Can SN74LV245ATRGYR be used in automotive applications? A: Yes, SN74LV245ATRGYR is qualified for automotive applications and can operate in harsh environments.

  10. Q: What package does SN74LV245ATRGYR come in? A: SN74LV245ATRGYR comes in a small-outline integrated circuit (SOIC) package with 20 pins.

Please note that these answers are general and may vary depending on the specific application and requirements.