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74AVCH4T245D,118
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Encyclopedia Entry: 74AVCH4T245D,118

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Signal Level Shifter and Translator
  • Characteristics: High-speed, bidirectional voltage level translation, low power consumption
  • Package: TSSOP-14
  • Essence: Translates signals between different voltage levels in electronic circuits
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range (VREF): -0.5V to 5.5V
  • Output Voltage Range (VREF): -0.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 2.8ns (typical)
  • Maximum Data Rate: 400Mbps

Detailed Pin Configuration

The 74AVCH4T245D,118 IC has a total of 14 pins, which are assigned specific functions as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | OE | Output Enable | | 2 | A1 | Input/Output Channel 1 | | 3 | B1 | Input/Output Channel 2 | | 4 | GND | Ground | | 5 | B2 | Input/Output Channel 3 | | 6 | A2 | Input/Output Channel 4 | | 7 | VCCA | Supply Voltage for Side A | | 8 | VCCB | Supply Voltage for Side B | | 9 | DIR | Direction Control | | 10 | NC | No Connection | | 11 | B3 | Input/Output Channel 5 | | 12 | A3 | Input/Output Channel 6 | | 13 | B4 | Input/Output Channel 7 | | 14 | A4 | Input/Output Channel 8 |

Functional Features

  • Bidirectional voltage level translation between two independent voltage domains.
  • Supports both push-pull and open-drain output configurations.
  • Low power consumption, making it suitable for battery-powered devices.
  • High-speed operation allows for efficient data transfer.
  • Provides ESD protection on all pins.

Advantages and Disadvantages

Advantages: - Enables seamless integration of components operating at different voltage levels. - Wide supply voltage range allows compatibility with various systems. - Compact TSSOP-14 package saves board space. - Fast propagation delay ensures minimal signal distortion.

Disadvantages: - Limited number of input/output channels (8 in total). - Not suitable for applications requiring higher data rates beyond 400Mbps.

Working Principles

The 74AVCH4T245D,118 is a voltage level shifter and translator IC that facilitates communication between electronic circuits operating at different voltage levels. It utilizes a combination of MOSFETs and control logic to achieve bidirectional signal translation. The direction of translation is controlled by the DIR pin. When enabled, the IC translates signals from Side A to Side B or vice versa, depending on the voltage levels applied to the input pins. The OE pin controls the output enable/disable functionality.

Detailed Application Field Plans

The 74AVCH4T245D,118 finds application in various electronic systems where voltage level translation is required. Some common application fields include: 1. Microcontroller interfacing with peripherals operating at different voltage levels. 2. Communication interfaces between different logic families (e.g., TTL and CMOS). 3. Level shifting in battery-powered devices, such as smartphones and portable electronics. 4. Signal translation in industrial automation systems.

Detailed Alternative Models

  1. SN74AVCH4T245: Similar voltage level shifter IC with the same pin configuration and characteristics.
  2. 74LVC245: Octal bus transceiver with voltage level translation capabilities.
  3. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing.

Note: The above alternative models are provided for reference and may have different specifications or features. It is recommended to consult the respective datasheets for detailed information.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem 74AVCH4T245D,118 w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of 74AVCH4T245D,118 in technical solutions:

  1. Q: What is the function of the 74AVCH4T245D,118? A: The 74AVCH4T245D,118 is a quad-bit level shifter and voltage translator with direction control.

  2. Q: What is the operating voltage range of the 74AVCH4T245D,118? A: The operating voltage range is from 1.2V to 3.6V.

  3. Q: Can the 74AVCH4T245D,118 be used for bidirectional voltage translation? A: Yes, it supports bidirectional voltage translation.

  4. Q: What is the maximum data rate supported by the 74AVCH4T245D,118? A: The maximum data rate is typically 400 Mbps.

  5. Q: How many channels does the 74AVCH4T245D,118 have? A: It has four bidirectional channels.

  6. Q: Does the 74AVCH4T245D,118 have built-in ESD protection? A: Yes, it has integrated ESD protection on all pins.

  7. Q: Can the 74AVCH4T245D,118 be used in automotive applications? A: Yes, it is AEC-Q100 qualified and suitable for automotive applications.

  8. Q: What is the power supply current consumption of the 74AVCH4T245D,118? A: The power supply current consumption is typically 1.5 mA.

  9. Q: Is the 74AVCH4T245D,118 compatible with other logic families? A: Yes, it is compatible with both CMOS and TTL logic families.

  10. Q: Can the 74AVCH4T245D,118 be used in hot-swapping applications? A: Yes, it supports hot insertion and extraction of modules.

Please note that these answers are based on general information about the 74AVCH4T245D,118 and may vary depending on specific application requirements.