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74ABT2245PW,112
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Encyclopedia Entry: 74ABT2245PW,112

Product Overview

Category

The 74ABT2245PW,112 belongs to the category of integrated circuits (ICs) and specifically falls under the group of bus transceivers.

Use

This product is commonly used in digital systems for bidirectional data transfer between buses with different voltage levels.

Characteristics

  • Bidirectional data flow
  • Voltage level translation
  • High-speed operation
  • Low power consumption
  • Robust ESD protection

Package

The 74ABT2245PW,112 is available in a small outline package (SO) with 20 pins. The package provides mechanical protection and facilitates easy integration into circuit boards.

Essence

The essence of this product lies in its ability to enable seamless communication between buses operating at different voltage levels, ensuring reliable data transfer.

Packaging/Quantity

The 74ABT2245PW,112 is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Levels: 0V to VCC
  • Output Voltage Levels: 0V to VCC
  • Maximum Operating Frequency: 100MHz
  • Propagation Delay Time: 6ns (max)
  • Output Current: ±24mA

Detailed Pin Configuration

The 74ABT2245PW,112 has a total of 20 pins, which are assigned specific functions as follows:

  1. OE (Output Enable) - Active low output enable pin
  2. A1-A8 - Data input/output pins for Port A
  3. GND - Ground reference
  4. B1-B8 - Data input/output pins for Port B
  5. VCC - Positive supply voltage
  6. DIR (Direction Control) - Direction control pin
  7. BDIR (Bus Direction Control) - Bidirectional direction control pin
  8. A9-A16 - Data input/output pins for Port A
  9. GND - Ground reference
  10. B9-B16 - Data input/output pins for Port B
  11. VCC - Positive supply voltage

Functional Features

  • Bidirectional data transfer between Port A and Port B
  • Voltage level translation between different bus systems
  • Output enable control for tri-state operation
  • Direction control for selecting the data flow direction
  • ESD protection for enhanced reliability

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data transfer
  • Low power consumption minimizes energy usage
  • Robust ESD protection ensures product durability
  • Bidirectional functionality simplifies system design

Disadvantages

  • Limited to specific voltage ranges (4.5V to 5.5V)
  • Propagation delay may impact real-time applications

Working Principles

The 74ABT2245PW,112 operates by utilizing a combination of transistors and logic gates to facilitate bidirectional data transfer. The direction control pin determines the flow of data between Port A and Port B, while the output enable pin enables or disables the outputs.

Detailed Application Field Plans

The 74ABT2245PW,112 finds application in various digital systems where voltage level translation and bidirectional data transfer are required. Some common application fields include:

  1. Microcontroller interfacing
  2. Memory modules
  3. Communication systems
  4. Industrial automation
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. SN74LVC245A: Similar bidirectional bus transceiver with lower voltage range (1.65V to 5.5V).
  2. CD74HCT245E: Octal bus transceiver with TTL-compatible inputs and outputs.
  3. 74HC245: Octal bus transceiver with 5V voltage compatibility.

These alternative models offer similar functionality to the 74ABT2245PW,112 but may have different specifications and package options.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 74ABT2245PW,112 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of 74ABT2245PW,112 in technical solutions:

  1. Q: What is the function of the 74ABT2245PW,112? A: The 74ABT2245PW,112 is an octal bus transceiver with 3-state outputs. It allows bidirectional transfer of data between two buses.

  2. Q: What is the operating voltage range for the 74ABT2245PW,112? A: The operating voltage range for this IC is typically between 4.5V and 5.5V.

  3. Q: How many channels does the 74ABT2245PW,112 have? A: This IC has 8 bidirectional channels, allowing for the transfer of data between two buses.

  4. Q: Can the 74ABT2245PW,112 handle high-speed data transfers? A: Yes, this IC is designed for high-speed operation and can support data rates up to 200 MHz.

  5. Q: Does the 74ABT2245PW,112 have built-in protection features? A: Yes, it has built-in ESD protection on all inputs and outputs, making it more robust against electrostatic discharge.

  6. Q: Can I use the 74ABT2245PW,112 in a mixed-voltage system? A: Yes, this IC supports mixed-voltage applications as it has separate VCC and VCCA/VCCB pins for flexible power supply options.

  7. Q: What is the maximum output current of the 74ABT2245PW,112? A: The maximum output current per channel is typically 64 mA, which allows for driving relatively heavy loads.

  8. Q: Can I use the 74ABT2245PW,112 in a hot-swapping application? A: Yes, this IC supports hot insertion and extraction of modules without causing damage to the device or other components.

  9. Q: Does the 74ABT2245PW,112 have any special power-saving features? A: No, this IC does not have specific power-saving features. However, it has a low-power consumption design when compared to older technologies.

  10. Q: What is the package type for the 74ABT2245PW,112? A: The 74ABT2245PW,112 is available in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74ABT2245PW,112.