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SN74ABT244AN
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SN74ABT244AN

Product Overview

  • Category: Integrated Circuit
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, low-power, non-inverting
  • Package: PDIP (Plastic Dual In-Line Package)
  • Essence: Logic level translation and signal buffering
  • Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 3.8ns (typical)
  • Output Current: ±24mA
  • Input Capacitance: 3pF (typical)

Pin Configuration

The SN74ABT244AN has a total of 20 pins arranged in a dual in-line package. The pin configuration is as follows:

__ __ A1 |1 \__/ 20| VCC B1 |2 19| B2 A2 |3 18| A3 B3 |4 17| B4 A4 |5 16| A5 B5 |6 15| B6 GND|7 14| GND OE |8 13| Y6 Y1 |9 12| OE\ GND|10 11| Y2 ‾‾ ‾‾

Functional Features

  • Non-inverting buffer with 3-state outputs
  • High-speed operation suitable for bus-oriented applications
  • Low power consumption
  • TTL-compatible inputs and outputs
  • Wide operating voltage range

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Non-inverting nature preserves signal integrity - Wide operating voltage range provides flexibility in various applications

Disadvantages: - Limited output current may not be suitable for high-power applications - PDIP package may not be ideal for space-constrained designs

Working Principles

The SN74ABT244AN is a buffer/line driver integrated circuit that operates by receiving input signals and providing amplified, non-inverted outputs. It is commonly used for logic level translation and signal buffering in digital systems. The device features 3-state outputs, allowing multiple drivers to share a common bus without interference.

Detailed Application Field Plans

The SN74ABT244AN finds applications in various fields, including:

  1. Microprocessor-based systems: Provides signal buffering and level translation between different components of a microprocessor system.
  2. Communication systems: Facilitates data transmission between different modules or devices with varying voltage levels.
  3. Industrial automation: Enables reliable communication between sensors, actuators, and control units in industrial automation systems.
  4. Automotive electronics: Used for signal buffering and level shifting in automotive electronic control units (ECUs) and communication networks.
  5. Consumer electronics: Supports data transfer and signal conditioning in devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

  1. SN74ABT244A: Similar to SN74ABT244AN but available in SOIC (Small Outline Integrated Circuit) package.
  2. SN74LVC244A: Low-voltage version with similar functionality but operates at lower supply voltages.
  3. SN74HCT244: Compatible alternative with TTL inputs and outputs.

These alternative models offer similar functionality and can be used as substitutes based on specific requirements and design constraints.

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技術ソリューションにおける SN74ABT244AN の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SN74ABT244AN:

  1. Q: What is SN74ABT244AN? A: SN74ABT244AN is a type of integrated circuit (IC) that functions as an octal buffer/line driver with 3-state outputs.

  2. Q: What is the purpose of SN74ABT244AN? A: SN74ABT244AN is used to amplify and buffer digital signals, allowing them to be transmitted over longer distances or to multiple devices.

  3. Q: What voltage levels does SN74ABT244AN support? A: SN74ABT244AN supports a wide range of voltage levels, typically between 2V and 5.5V.

  4. Q: How many inputs and outputs does SN74ABT244AN have? A: SN74ABT244AN has 8 inputs and 8 outputs, making it suitable for applications requiring multiple signal lines.

  5. Q: Can SN74ABT244AN handle bidirectional communication? A: No, SN74ABT244AN is unidirectional and can only drive signals in one direction.

  6. Q: What is the maximum frequency at which SN74ABT244AN can operate? A: SN74ABT244AN can operate at frequencies up to several hundred megahertz (MHz), depending on the specific model.

  7. Q: Does SN74ABT244AN have any built-in protection features? A: Yes, SN74ABT244AN includes built-in ESD (electrostatic discharge) protection to safeguard against static electricity damage.

  8. Q: Can SN74ABT244AN be cascaded to increase the number of inputs/outputs? A: Yes, multiple SN74ABT244AN ICs can be cascaded together to increase the number of inputs and outputs in a system.

  9. Q: What is the power supply voltage range for SN74ABT244AN? A: SN74ABT244AN typically operates with a power supply voltage between 4.5V and 5.5V.

  10. Q: Are there any specific precautions to consider when using SN74ABT244AN? A: It is important to ensure that the input voltage levels are within the specified range to prevent damage to the IC. Additionally, proper decoupling capacitors should be used to stabilize the power supply.