ON Semiconductor
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74FST3244DTR2
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74FST3244DTR2

Product Overview

Category

The 74FST3244DTR2 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a bidirectional octal bus transceiver with 3-state outputs.

Characteristics

  • Bidirectional data flow
  • High-speed operation
  • 3-state outputs for bus-oriented applications
  • Low power consumption
  • Wide operating voltage range

Package

The 74FST3244DTR2 is available in a small outline package (SOT) with 48 pins.

Essence

The essence of this product lies in its ability to facilitate the bidirectional transfer of data between two buses, while providing 3-state outputs for bus-oriented applications.

Packaging/Quantity

The 74FST3244DTR2 is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Supply Voltage: 2.7V to 3.6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 2.5ns (max)
  • Output Current: ±24mA

Detailed Pin Configuration

The 74FST3244DTR2 has a total of 48 pins, which are organized as follows:

  • Pins 1-8: A1-A8 (Data Inputs/Outputs for Port A)
  • Pins 9-16: B1-B8 (Data Inputs/Outputs for Port B)
  • Pins 17-24: OE1-OE8 (Output Enable Inputs for Port A)
  • Pins 25-32: OE9-OE16 (Output Enable Inputs for Port B)
  • Pins 33-40: GND (Ground)
  • Pins 41-48: VCC (Power Supply)

Functional Features

  • Bidirectional data transfer between two buses
  • 3-state outputs for bus-oriented applications
  • Output enable control for each port
  • High-speed operation for efficient data transmission
  • Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages

  • Enables bidirectional data flow, simplifying bus communication
  • Provides 3-state outputs for bus-oriented applications
  • Wide operating voltage range allows compatibility with various systems
  • High-speed operation ensures efficient data transfer
  • Low power consumption for energy-efficient designs

Disadvantages

  • Limited number of pins may restrict the number of connections in complex systems
  • Propagation delay time may affect real-time applications with strict timing requirements

Working Principles

The 74FST3244DTR2 operates by receiving data from one bus and transmitting it to another bidirectionally. The direction of data flow is controlled by the input signals. The 3-state outputs allow the IC to be effectively disconnected from the bus when not in use.

Detailed Application Field Plans

The 74FST3244DTR2 finds applications in various fields, including:

  1. Computer motherboards
  2. Networking equipment
  3. Industrial automation systems
  4. Communication devices
  5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the 74FST3244DTR2 are:

  1. SN74LV245A
  2. MC74ACT244
  3. CD74HCT245

These models offer similar functionality and characteristics, providing options for different design requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af 74FST3244DTR2 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of 74FST3244DTR2 in technical solutions:

  1. Q: What is the function of the 74FST3244DTR2? A: The 74FST3244DTR2 is a 32-bit high-speed, low-power bus switch with configurable voltage translation.

  2. Q: What is voltage translation, and why is it important? A: Voltage translation is the process of converting signals from one voltage level to another. It is important when interfacing between devices operating at different voltage levels.

  3. Q: What is the maximum data rate supported by the 74FST3244DTR2? A: The 74FST3244DTR2 supports data rates up to 400 Mbps.

  4. Q: Can the 74FST3244DTR2 be used for bidirectional communication? A: Yes, the 74FST3244DTR2 supports bidirectional communication, allowing data to flow in both directions.

  5. Q: What is the power supply voltage range for the 74FST3244DTR2? A: The 74FST3244DTR2 operates with a power supply voltage range of 1.65V to 3.6V.

  6. Q: How many channels does the 74FST3244DTR2 have? A: The 74FST3244DTR2 has 8 channels, each capable of handling 4 bits of data.

  7. Q: Can the 74FST3244DTR2 be used in hot-swapping applications? A: Yes, the 74FST3244DTR2 supports hot-swapping, allowing for the insertion and removal of devices without disrupting the system.

  8. Q: What is the typical propagation delay of the 74FST3244DTR2? A: The typical propagation delay of the 74FST3244DTR2 is around 1.5 ns.

  9. Q: Does the 74FST3244DTR2 have built-in ESD protection? A: Yes, the 74FST3244DTR2 has built-in ESD protection to safeguard against electrostatic discharge events.

  10. Q: Can the 74FST3244DTR2 be used in both digital and analog applications? A: No, the 74FST3244DTR2 is primarily designed for digital applications and may not be suitable for analog signals.

Please note that these answers are general and may vary depending on specific application requirements.