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74ALVCH16903DGVRE4
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Encyclopedia Entry: 74ALVCH16903DGVRE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-power, voltage level shifting
  • Package: DGVRE4 (TSSOP-56)
  • Essence: Translates signals between different voltage levels
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Logic Family: ALVCH
  • Number of Channels: 18
  • Input Voltage Range: 1.2V to 3.6V
  • Output Voltage Range: 1.2V to 3.6V
  • Propagation Delay: 2.5 ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ALVCH16903DGVRE4 IC has a TSSOP-56 package with the following pin configuration:

___________ | | 1A |1 56| VCCB 2A |2 55| 1Y 3A |3 54| 2Y 4A |4 53| 3Y 5A |5 52| 4Y 6A |6 51| 5Y 7A |7 50| 6Y 8A |8 49| 7Y 9A |9 48| 8Y 10A |10 47| 9Y GND |11 46| 10Y 1B |12 45| 11Y 2B |13 44| 12Y 3B |14 43| 13Y 4B |15 42| 14Y 5B |16 41| 15Y 6B |17 40| 16Y 7B |18 39| 17Y 8B |19 38| 18Y 9B |20 37| GND 10B |21 36| OE# GND |22 35| VCCA 1Y |23 34| 18A 2Y |24 33| 17A 3Y |25 32| 16A 4Y |26 31| 15A 5Y |27 30| 14A 6Y |28 29| 13A |___________|

Functional Features

  • Translates logic signals between different voltage levels
  • Supports bidirectional level shifting
  • High-speed operation with low propagation delay
  • Low power consumption
  • Provides voltage translation for up to 18 channels

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - High-speed operation allows for efficient data transfer - Low power consumption helps in reducing overall system energy requirements

Disadvantages: - Limited to a specific number of channels (18 in this case) - May not support voltage translation for all possible voltage ranges

Working Principles

The 74ALVCH16903DGVRE4 is a logic level translator that operates by converting logic signals from one voltage level to another. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. The IC is designed to provide seamless communication between devices operating at different voltage levels while maintaining high-speed operation and low power consumption.

Detailed Application Field Plans

The 74ALVCH16903DGVRE4 finds applications in various fields where voltage level translation is required. Some potential application areas include: - Microcontrollers and microprocessors interfacing with peripherals operating at different voltage levels - Communication systems involving multiple voltage domains - Industrial automation and control systems - Consumer electronics devices with mixed voltage interfaces

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ALVCH16903DGVRE4 are: - SN74LVC8T245PW: 8-bit dual-supply bus transceiver with configurable voltage translation - TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction sensing - PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator

These alternative models can be considered based on

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem 74ALVCH16903DGVRE4 w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of 74ALVCH16903DGVRE4 in technical solutions:

  1. Q: What is the function of the 74ALVCH16903DGVRE4? A: The 74ALVCH16903DGVRE4 is a 18-bit universal bus driver with 3-state outputs, designed for voltage level translation between different logic families.

  2. Q: What is the operating voltage range of the 74ALVCH16903DGVRE4? A: The 74ALVCH16903DGVRE4 operates within a voltage range of 1.65V to 3.6V.

  3. Q: Can the 74ALVCH16903DGVRE4 be used for bidirectional level translation? A: Yes, the 74ALVCH16903DGVRE4 supports bidirectional level translation, making it suitable for applications where data needs to be transferred between different logic families.

  4. Q: What is the maximum output current that the 74ALVCH16903DGVRE4 can drive? A: The 74ALVCH16903DGVRE4 can drive up to 24mA of current per output pin.

  5. Q: Does the 74ALVCH16903DGVRE4 have internal pull-up or pull-down resistors? A: No, the 74ALVCH16903DGVRE4 does not have internal pull-up or pull-down resistors.

  6. Q: Can the 74ALVCH16903DGVRE4 tolerate overvoltage on its inputs? A: Yes, the 74ALVCH16903DGVRE4 has input voltage tolerance up to 5.5V, making it robust against overvoltage conditions.

  7. Q: What is the propagation delay of the 74ALVCH16903DGVRE4? A: The propagation delay of the 74ALVCH16903DGVRE4 is typically around 2.5ns.

  8. Q: Can the 74ALVCH16903DGVRE4 be used in high-speed applications? A: Yes, the 74ALVCH16903DGVRE4 is designed for high-speed operation and can be used in applications with fast data transfer rates.

  9. Q: Does the 74ALVCH16903DGVRE4 have thermal shutdown protection? A: No, the 74ALVCH16903DGVRE4 does not have built-in thermal shutdown protection.

  10. Q: Is the 74ALVCH16903DGVRE4 available in different package options? A: Yes, the 74ALVCH16903DGVRE4 is available in various package options, including TSSOP and TVSOP, to accommodate different PCB layout requirements.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74ALVCH16903DGVRE4.