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74LVTH245MTCX

74LVTH245MTCX

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter/Transceiver
  • Characteristics: High-speed, low-voltage, and low-power consumption
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Bidirectional voltage level shifter/transceiver
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Logic Family: LVTH
  • Number of Channels: 8
  • Input/Output Type: CMOS/TTL compatible
  • Output Drive Capability: ±24mA
  • Propagation Delay: 3.4ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LVTH245MTCX has a total of 20 pins arranged as follows:

┌───┐ OE1 ──┤1 20├── VCC A1 ──┤2 19├── B1 A2 ──┤3 18├── B2 A3 ──┤4 17├── B3 A4 ──┤5 16├── B4 GND ──┤6 15├── B5 B7 ──┤7 14├── A5 B6 ──┤8 13├── A6 B1 ──┤9 12├── A7 OE2 ──┤10 11├── A8 └───┘

Functional Features

  • Bidirectional voltage level shifting between two different logic levels.
  • CMOS/TTL compatible inputs and outputs.
  • High-speed operation with low propagation delay.
  • Low power consumption, suitable for battery-powered devices.
  • Output drive capability allows driving capacitive loads.

Advantages

  • Wide supply voltage range enables compatibility with various systems.
  • Bidirectional functionality eliminates the need for separate level shifters for each direction.
  • High-speed operation ensures efficient data transfer.
  • Low power consumption prolongs battery life in portable applications.
  • Compact TSSOP package saves board space.

Disadvantages

  • Limited number of channels (8) may not be sufficient for complex systems requiring more connections.
  • Propagation delay may introduce timing issues in certain high-speed applications.
  • The TSSOP package may require careful handling during assembly to avoid damage.

Working Principles

The 74LVTH245MTCX is a bidirectional level shifter/transceiver that allows voltage translation between two different logic levels. It operates by monitoring the input signals and converting them to the desired output voltage level. The device uses CMOS technology, making it compatible with both CMOS and TTL logic families. The OE1 and OE2 pins control the direction of data flow, enabling bidirectional communication.

Detailed Application Field Plans

The 74LVTH245MTCX finds applications in various fields, including: 1. Microcontroller interfacing with different voltage levels. 2. Communication systems requiring level shifting between different logic families. 3. Data transmission between devices operating at different voltages. 4. Battery-powered devices where low power consumption is crucial. 5. Industrial automation and control systems.

Detailed and Complete Alternative Models

  1. SN74LVC245A: Similar bidirectional level shifter with 3-state outputs.
  2. 74HCT245: Octal bus transceiver with non-inverting 3-state outputs.
  3. CD4508: Dual 4-bit latch/4-to-8 line decoder with level shifting capability.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng 74LVTH245MTCX trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of 74LVTH245MTCX in technical solutions:

  1. Q: What is the function of the 74LVTH245MTCX? A: The 74LVTH245MTCX is an octal bus transceiver with 3-state outputs, used for bidirectional data transfer between different voltage levels.

  2. Q: What is the operating voltage range of the 74LVTH245MTCX? A: The 74LVTH245MTCX operates within a voltage range of 1.65V to 5.5V.

  3. Q: Can the 74LVTH245MTCX handle level shifting between different voltage domains? A: Yes, the 74LVTH245MTCX is designed to handle level shifting between different voltage domains, making it suitable for interfacing between devices with different voltage requirements.

  4. Q: How many bidirectional channels does the 74LVTH245MTCX have? A: The 74LVTH245MTCX has 8 bidirectional channels, allowing for simultaneous data transfer on multiple lines.

  5. Q: What is the maximum data transfer rate supported by the 74LVTH245MTCX? A: The 74LVTH245MTCX supports high-speed operation with a maximum data transfer rate of up to 400 Mbps.

  6. Q: Can the 74LVTH245MTCX be used in both parallel and serial communication systems? A: Yes, the 74LVTH245MTCX can be used in both parallel and serial communication systems, depending on the application requirements.

  7. Q: Does the 74LVTH245MTCX have built-in protection features? A: Yes, the 74LVTH245MTCX has built-in protection features such as ESD protection and overvoltage tolerance, ensuring reliable operation in harsh environments.

  8. Q: Can the 74LVTH245MTCX be used in battery-powered applications? A: Yes, the 74LVTH245MTCX is suitable for battery-powered applications due to its low power consumption and wide operating voltage range.

  9. Q: What is the package type of the 74LVTH245MTCX? A: The 74LVTH245MTCX is available in a TSSOP (Thin Shrink Small Outline Package) package, which is compact and suitable for space-constrained designs.

  10. Q: Are there any recommended application circuits or reference designs available for the 74LVTH245MTCX? A: Yes, the datasheet of the 74LVTH245MTCX provides recommended application circuits and reference designs that can help in implementing the chip effectively in various technical solutions.

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