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74VCXR162245TTR
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Encyclopedia Entry: 74VCXR162245TTR

Product Overview

Category

The 74VCXR162245TTR belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage translating transceivers.

Use

This product is primarily used for bidirectional level shifting between two voltage domains. It enables seamless communication between devices operating at different voltage levels, ensuring compatibility and reliable data transfer.

Characteristics

  • Bidirectional voltage translation
  • Supports voltage levels ranging from 1.2V to 3.6V
  • High-speed operation with low power consumption
  • Robust ESD protection
  • Compact package size for space-constrained applications

Package

The 74VCXR162245TTR is available in a small form factor TSSOP-48 package, which provides ease of integration into various electronic systems.

Essence

The essence of the 74VCXR162245TTR lies in its ability to bridge the gap between devices operating at different voltage levels, facilitating seamless data exchange without signal degradation or loss.

Packaging/Quantity

This product is typically supplied in reels or tubes, containing a quantity of 250 units per package.

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Levels: LVTTL/LVCMOS
  • Output Voltage Levels: LVTTL/LVCMOS
  • Maximum Data Rate: 400 Mbps
  • Operating Temperature Range: -40°C to +85°C
  • Input/Output Capacitance: 4pF typical

Detailed Pin Configuration

The 74VCXR162245TTR features a total of 48 pins, arranged as follows:

Pin 1: A1 Pin 2: Y1 Pin 3: GND Pin 4: A2 Pin 5: Y2 ...

Functional Features

  • Bidirectional voltage translation between two voltage domains
  • Automatic direction sensing and control
  • Low propagation delay for high-speed data transfer
  • Output enable/disable function for bus isolation
  • ESD protection to safeguard against electrostatic discharge

Advantages and Disadvantages

Advantages

  • Enables seamless communication between devices with different voltage levels
  • High-speed operation with low power consumption
  • Compact package size for space-constrained applications
  • Robust ESD protection ensures device reliability

Disadvantages

  • Limited to voltage translation within the specified range (1.2V to 3.6V)
  • Requires careful consideration of input/output capacitance for optimal performance

Working Principles

The 74VCXR162245TTR utilizes a combination of level-shifting circuitry and automatic direction sensing to facilitate bidirectional voltage translation. It detects the voltage levels of the input signals and automatically adjusts the direction of data flow accordingly. This allows seamless communication between devices operating at different voltage domains.

Detailed Application Field Plans

The 74VCXR162245TTR finds extensive application in various electronic systems, including but not limited to:

  1. Microcontroller interfacing with peripheral devices
  2. Communication interfaces between different voltage domains
  3. Memory module interfaces
  4. Industrial automation systems
  5. Consumer electronics

Detailed and Complete Alternative Models

  1. SN74LVC8T245PW: 8-bit bidirectional voltage-level translator
  2. TXB0108PWR: 8-bit non-inverting level shifter with auto-direction sensing
  3. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator

These alternative models offer similar functionality and can be considered as substitutes for the 74VCXR162245TTR in specific applications.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan 74VCXR162245TTR dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of 74VCXR162245TTR in technical solutions:

  1. Q: What is the 74VCXR162245TTR? A: The 74VCXR162245TTR is a 16-bit bus transceiver with direction pin, commonly used for bidirectional data transfer between two buses.

  2. Q: What voltage levels does the 74VCXR162245TTR support? A: The 74VCXR162245TTR supports voltage levels ranging from 1.2V to 3.6V.

  3. Q: Can the 74VCXR162245TTR be used for level shifting between different voltage domains? A: Yes, the 74VCXR162245TTR can be used for level shifting between different voltage domains, as long as the voltage levels fall within its supported range.

  4. Q: How many channels does the 74VCXR162245TTR have? A: The 74VCXR162245TTR has 16 bidirectional channels, allowing for simultaneous data transfer on each channel.

  5. Q: Does the 74VCXR162245TTR have built-in protection features? A: Yes, the 74VCXR162245TTR has built-in ESD protection, which helps safeguard against electrostatic discharge events.

  6. Q: Can the 74VCXR162245TTR be used in high-speed applications? A: Yes, the 74VCXR162245TTR is designed for high-speed operation and can support data rates up to several hundred megahertz.

  7. Q: Is the 74VCXR162245TTR compatible with different logic families? A: Yes, the 74VCXR162245TTR is compatible with various logic families, including TTL, CMOS, and LVCMOS.

  8. Q: Can the 74VCXR162245TTR be used in both parallel and serial communication systems? A: Yes, the 74VCXR162245TTR can be used in both parallel and serial communication systems, depending on the application requirements.

  9. Q: Does the 74VCXR162245TTR have any power-saving features? A: Yes, the 74VCXR162245TTR has a low-power standby mode that helps conserve energy when not actively transferring data.

  10. Q: Are there any specific layout considerations for using the 74VCXR162245TTR? A: Yes, it is recommended to follow the manufacturer's guidelines for proper PCB layout, including minimizing trace lengths and providing adequate decoupling capacitors near the device.

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