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74LCXH2245MTC

74LCXH2245MTC

Product Overview

Category

The 74LCXH2245MTC belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • Low-voltage operation: The 74LCXH2245MTC operates at a low voltage, typically between 1.65V and 3.6V.
  • Bidirectional data flow: It supports bidirectional data transfer, making it suitable for applications where data needs to be translated between different voltage levels.
  • High-speed operation: This IC offers high-speed performance, enabling efficient data transmission.
  • Multiple channels: The 74LCXH2245MTC consists of eight bidirectional buffers with separate output-enable (OE) inputs.

Package

The 74LCXH2245MTC is available in a small-sized TSSOP package.

Essence

The essence of the 74LCXH2245MTC lies in its ability to facilitate level shifting and voltage translation, ensuring seamless communication between devices operating at different voltage levels.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • Number of Channels: 8
  • Input/Output Compatibility: TTL, CMOS
  • Output Drive Capability: ±24mA
  • Propagation Delay Time: 2.5ns (max)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCXH2245MTC has a total of 20 pins, which are assigned as follows:

  1. OE1 (Output Enable 1)
  2. A1 (Channel 1 Data I/O)
  3. B1 (Channel 1 Data I/O)
  4. GND (Ground)
  5. B2 (Channel 2 Data I/O)
  6. A2 (Channel 2 Data I/O)
  7. OE2 (Output Enable 2)
  8. VCC (Supply Voltage)
  9. A3 (Channel 3 Data I/O)
  10. B3 (Channel 3 Data I/O)
  11. OE3 (Output Enable 3)
  12. GND (Ground)
  13. B4 (Channel 4 Data I/O)
  14. A4 (Channel 4 Data I/O)
  15. OE4 (Output Enable 4)
  16. VCC (Supply Voltage)
  17. A5 (Channel 5 Data I/O)
  18. B5 (Channel 5 Data I/O)
  19. GND (Ground)
  20. B6 (Channel 6 Data I/O)

Functional Features

  • Bidirectional data transfer: The 74LCXH2245MTC allows data to be transmitted bidirectionally between devices operating at different voltage levels.
  • Output enable control: Each channel of this IC can be individually enabled or disabled using the output enable pins (OE1-OE4).
  • High-speed operation: With a propagation delay time of only 2.5ns, this IC ensures efficient and fast data transmission.

Advantages and Disadvantages

Advantages

  • Low-voltage operation makes it compatible with a wide range of devices.
  • Bidirectional data flow simplifies level shifting and voltage translation tasks.
  • High-speed performance enables quick data transmission.

Disadvantages

  • Limited number of channels (8) may not be sufficient for certain applications requiring a higher number of data lines.
  • Small-sized package may pose challenges during soldering or handling.

Working Principles

The 74LCXH2245MTC operates by receiving data from one voltage level and translating it to another voltage level. It utilizes a combination of transistors, resistors, and logic gates to achieve bidirectional data transfer. The output enable pins (OE1-OE4) control the direction of data flow and allow individual channel activation.

Detailed Application Field Plans

The 74LCXH2245MTC finds applications in various fields, including:

  1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
  2. Sensor networks: This IC facilitates voltage translation between sensors and microcontrollers, ensuring seamless integration.
  3. Communication systems: It is used for level shifting in communication systems, allowing data transmission between devices with varying voltage requirements.
  4. Industrial automation: The 74LCXH2245MTC assists in connecting different industrial automation components that operate at different voltage levels.

Detailed and Complete Alternative Models

  • SN74LVC245A: This IC offers similar functionality and features as the 74LCXH2245MTC, but operates at a slightly higher voltage range (1.65V to 5.5V

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 74LCXH2245MTC en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of 74LCXH2245MTC in technical solutions:

  1. Q: What is the 74LCXH2245MTC? A: The 74LCXH2245MTC is a high-performance, low-voltage, octal bus transceiver with configurable voltage translation and 3-state outputs.

  2. Q: What is the voltage range supported by the 74LCXH2245MTC? A: The 74LCXH2245MTC supports voltage translation from 1.65V to 3.6V on the A port and 2.3V to 5.5V on the B port.

  3. Q: How many bidirectional channels does the 74LCXH2245MTC have? A: The 74LCXH2245MTC has 8 bidirectional channels, making it suitable for applications requiring multiple data lines.

  4. Q: Can the 74LCXH2245MTC be used for level shifting between different voltage domains? A: Yes, the 74LCXH2245MTC can be used for level shifting between voltage domains, allowing communication between devices operating at different voltage levels.

  5. Q: What is the maximum data rate supported by the 74LCXH2245MTC? A: The 74LCXH2245MTC supports a maximum data rate of 400Mbps, making it suitable for high-speed data transmission.

  6. Q: Does the 74LCXH2245MTC have built-in ESD protection? A: Yes, the 74LCXH2245MTC has built-in ESD protection, ensuring robustness against electrostatic discharge events.

  7. Q: Can the 74LCXH2245MTC be used in both push-pull and open-drain configurations? A: Yes, the 74LCXH2245MTC can be configured for either push-pull or open-drain operation, providing flexibility in different applications.

  8. Q: What is the power supply voltage range for the 74LCXH2245MTC? A: The 74LCXH2245MTC operates with a power supply voltage range of 1.65V to 3.6V.

  9. Q: Does the 74LCXH2245MTC support hot insertion? A: Yes, the 74LCXH2245MTC supports hot insertion, allowing it to be plugged or unplugged while the system is powered on.

  10. Q: What package options are available for the 74LCXH2245MTC? A: The 74LCXH2245MTC is available in various package options, including TSSOP, SOIC, and QFN, providing flexibility for different PCB layouts and assembly processes.

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