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74LVTH2245DB,112
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74LVTH2245DB,112

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: High-speed, low-power, bidirectional voltage level translation
  • Package: SSOP (Shrink Small Outline Package)
  • Essence: Translates signals between different voltage levels in digital systems
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 400 MHz
  • Number of Channels: 8
  • Input/Output Type: Tri-State

Detailed Pin Configuration

The 74LVTH2245DB,112 has a total of 20 pins. The pin configuration is as follows:

+-------------------+ OE1 |1 20| VCC A1 |2 19| B1 B2 |3 18| A2 A2 |4 17| B2 GND |5 16| OE2 B1 |6 15| A3 A3 |7 14| B3 B3 |8 13| A4 A4 |9 12| B4 B4 |10 11| OE4 +-------------------+

Functional Features

  • Bidirectional voltage level translation between two voltage domains
  • Supports both unidirectional and bidirectional bus-oriented applications
  • Provides non-inverting level shifting with tri-state outputs
  • Allows multiple devices to be connected to a common bus

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low-power consumption helps in reducing overall system power requirements - Tri-state outputs enable easy bus sharing between multiple devices

Disadvantages: - Limited voltage range (1.2V to 3.6V) may not be suitable for all applications - Only supports up to 8 channels, which may be insufficient for complex systems

Working Principles

The 74LVTH2245DB,112 is designed using CMOS technology, which allows for high-speed operation and low-power consumption. It utilizes a combination of MOSFETs and transistors to perform the voltage level translation. The device operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels based on the specified supply voltage range.

Detailed Application Field Plans

The 74LVTH2245DB,112 is commonly used in various digital systems where there is a need to interface between different voltage domains. Some of the application fields include: - Microcontrollers and microprocessors - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

  • SN74LVC245A: Similar bidirectional voltage level translator with 8 channels and a wider supply voltage range of 1.65V to 5.5V.
  • MC74LVX245: Another 8-channel bidirectional voltage level shifter with a supply voltage range of 2.0V to 3.6V.

These alternative models provide similar functionality but may have different specifications and pin configurations.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74LVTH2245DB,112 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of 74LVTH2245DB,112 in technical solutions:

1. What is the function of the 74LVTH2245DB,112? The 74LVTH2245DB,112 is an octal bus transceiver with 3-state outputs. It can be used to enable bidirectional communication between two buses.

2. What is the voltage range supported by the 74LVTH2245DB,112? The 74LVTH2245DB,112 supports a wide voltage range from 1.65V to 5.5V, making it compatible with various logic levels.

3. How many channels does the 74LVTH2245DB,112 have? The 74LVTH2245DB,112 has 8 channels, allowing for simultaneous bidirectional data transfer on each channel.

4. Can the 74LVTH2245DB,112 handle high-speed data transmission? Yes, the 74LVTH2245DB,112 is designed for high-speed operation and can support data rates up to 400 Mbps.

5. Does the 74LVTH2245DB,112 have built-in protection features? Yes, the 74LVTH2245DB,112 has built-in ESD protection on all inputs and outputs, providing robustness against electrostatic discharge.

6. Can the 74LVTH2245DB,112 be used in mixed-voltage systems? Yes, the 74LVTH2245DB,112 is suitable for mixed-voltage applications as it supports level shifting between different voltage domains.

7. What is the power supply voltage required for the 74LVTH2245DB,112? The 74LVTH2245DB,112 requires a single power supply voltage of 2.3V to 3.6V for normal operation.

8. Does the 74LVTH2245DB,112 have any power-saving features? Yes, the 74LVTH2245DB,112 has a low-power mode that can be activated by applying a low-level voltage to the OE (Output Enable) pin.

9. Can the 74LVTH2245DB,112 be used in both parallel and serial communication systems? Yes, the 74LVTH2245DB,112 can be used in both parallel and serial communication systems, depending on the application requirements.

10. Is the 74LVTH2245DB,112 available in different package options? Yes, the 74LVTH2245DB,112 is available in various package options, such as SOIC, TSSOP, and SSOP, providing flexibility for different PCB layouts and space constraints.

Please note that the specific details and answers may vary depending on the manufacturer's datasheet and application requirements.