Texas Instruments
Hình ảnh có thể mang tính chất minh họa.
Xem thông số kỹ thuật để biết chi tiết sản phẩm.
SN74ABTH245DWE4
Xem chi tiết DataSheets

SN74ABTH245DWE4

Product Overview

  • Category: Integrated Circuit
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: High-speed, Bi-directional, Voltage-level Translation
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Translates signals between different voltage levels in electronic systems
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • Input Voltage Range: 0 V to VCC
  • Output Voltage Range: 0 V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Number of Channels: 8
  • Data Rate: Up to 100 Mbps

Detailed Pin Configuration

The SN74ABTH245DWE4 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

  • Bi-directional voltage-level translation between two different voltage domains.
  • High-speed operation allows for efficient data transfer.
  • Output enable control allows for disabling the outputs when not needed.
  • Direction control pin determines the direction of data flow.

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels. - Supports high-speed data transfer. - Provides bi-directional functionality. - Compact SOIC package allows for easy integration into electronic systems.

Disadvantages: - Limited to a maximum data rate of 100 Mbps. - Requires careful consideration of voltage compatibility between input and output domains.

Working Principles

The SN74ABTH245DWE4 is designed to translate signals between two voltage domains in electronic systems. It utilizes a combination of level shifting and bus transceiver techniques to ensure seamless communication between devices operating at different voltage levels. The direction control pin determines the direction of data flow, while the output enable pin allows for enabling or disabling the outputs as required.

Detailed Application Field Plans

The SN74ABTH245DWE4 finds applications in various fields where voltage-level translation is necessary. Some of the detailed application field plans include:

  1. Microcontroller interfacing with different peripheral devices.
  2. Communication between devices operating at different logic levels.
  3. Interface between legacy and modern electronic systems.
  4. Level shifting in automotive electronics.
  5. Industrial automation systems requiring voltage translation.

Detailed and Complete Alternative Models

  1. SN74LVC245A: Low Voltage CMOS Octal Bus Transceiver
  2. SN74HCT245: High-Speed CMOS Octal Bus Transceiver
  3. SN74LVCH245A: Low Voltage CMOS Octal Bus Transceiver with 3-State Outputs
  4. SN74CBT3257: Quad FET Bus Switch

These alternative models provide similar functionality to the SN74ABTH245DWE4 and can be considered as alternatives based on specific requirements.

Word count: 343 words

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN74ABTH245DWE4 trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of SN74ABTH245DWE4 in technical solutions:

  1. Q: What is SN74ABTH245DWE4? A: SN74ABTH245DWE4 is a bidirectional octal bus transceiver with 3-state outputs, designed for asynchronous communication between buses operating at different voltage levels.

  2. Q: What is the voltage range supported by SN74ABTH245DWE4? A: SN74ABTH245DWE4 supports voltage levels ranging from 2.3V to 3.6V.

  3. Q: How many channels does SN74ABTH245DWE4 have? A: SN74ABTH245DWE4 has 8 bidirectional channels, allowing data transmission in both directions.

  4. Q: Can SN74ABTH245DWE4 handle high-speed data transfer? A: Yes, SN74ABTH245DWE4 is capable of handling high-speed data transfer up to 100 MHz.

  5. Q: Is SN74ABTH245DWE4 compatible with TTL and CMOS logic families? A: Yes, SN74ABTH245DWE4 is compatible with both TTL and CMOS logic families, making it versatile for various applications.

  6. Q: Does SN74ABTH245DWE4 support hot insertion? A: Yes, SN74ABTH245DWE4 supports hot insertion, allowing it to be plugged or unplugged while the system is powered on.

  7. Q: What is the maximum current that SN74ABTH245DWE4 can source/sink per channel? A: SN74ABTH245DWE4 can source/sink up to 32 mA per channel, making it suitable for driving various loads.

  8. Q: Can SN74ABTH245DWE4 be used in mixed-voltage level translation applications? A: Yes, SN74ABTH245DWE4 is commonly used for mixed-voltage level translation between different voltage domains.

  9. Q: Does SN74ABTH245DWE4 have built-in ESD protection? A: Yes, SN74ABTH245DWE4 has built-in ESD protection, ensuring robustness against electrostatic discharge events.

  10. Q: What package options are available for SN74ABTH245DWE4? A: SN74ABTH245DWE4 is available in a wide range of package options, including SOIC, TSSOP, and TVSOP, providing flexibility for different PCB layouts and space constraints.

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