图片可能具有代表性。
产品详情请参阅规格.
SN74HCT244QPWREP

SN74HCT244QPWREP

Product Overview

  • Category: Integrated Circuit
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, CMOS technology
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic Level Shifter
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Number of Channels: 8
  • Propagation Delay Time: 9 ns (typical)
  • Output Current: ±6 mA
  • Input Capacitance: 3.5 pF (typical)

Detailed Pin Configuration

The SN74HCT244QPWREP has a total of 20 pins, which are distributed as follows:

  • Pin 1: Output 1
  • Pin 2: Output 2
  • Pin 3: Output 3
  • Pin 4: Output 4
  • Pin 5: Output 5
  • Pin 6: Output 6
  • Pin 7: Output 7
  • Pin 8: Output 8
  • Pin 9: GND (Ground)
  • Pin 10: Input 1
  • Pin 11: Input 2
  • Pin 12: Input 3
  • Pin 13: Input 4
  • Pin 14: Input 5
  • Pin 15: Input 6
  • Pin 16: Input 7
  • Pin 17: Input 8
  • Pin 18: OE (Output Enable)
  • Pin 19: VCC (Supply Voltage)
  • Pin 20: GND (Ground)

Functional Features

  • High-speed operation: The SN74HCT244QPWREP is designed to operate at high speeds, making it suitable for applications that require fast data transfer.
  • CMOS technology: This integrated circuit utilizes CMOS technology, which provides low power consumption and high noise immunity.
  • Logic level shifting: The SN74HCT244QPWREP acts as a logic level shifter, allowing signals to be translated between different voltage levels.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - CMOS technology ensures low power consumption. - Logic level shifting capability allows compatibility with various voltage levels.

Disadvantages: - Limited output current may restrict its use in certain applications requiring higher current capabilities. - Input capacitance may affect signal integrity in high-frequency applications.

Working Principles

The SN74HCT244QPWREP operates by receiving input signals and amplifying them to the desired output voltage level. It incorporates a buffer/line driver circuitry that provides signal amplification and level shifting. The OE pin controls the output enable function, allowing the user to enable or disable the outputs as needed.

Detailed Application Field Plans

The SN74HCT244QPWREP can be used in various applications, including but not limited to:

  1. Data communication systems: It can be employed in serial and parallel data communication systems to ensure reliable signal transmission and reception.
  2. Microcontroller interfacing: The IC facilitates the connection between microcontrollers and other peripheral devices by translating voltage levels and providing signal buffering.
  3. Industrial automation: It finds application in industrial control systems where it helps in driving various actuators and sensors.
  4. Automotive electronics: The SN74HCT244QPWREP can be utilized in automotive electronics for signal conditioning and level shifting purposes.
  5. Consumer electronics: It can be incorporated into consumer electronic devices such as smartphones, tablets, and gaming consoles to enable efficient data transfer between different components.

Detailed and Complete Alternative Models

  1. SN74HCT244N: DIP (Dual In-line Package) version of the SN74HCT244QPWREP.
  2. SN74HCT244D: SOIC (Small Outline Integrated Circuit) package variant with similar specifications.
  3. SN74HCT244PW: TSSOP package variant without the "RE" suffix, offering the same functionality.

These alternative models provide similar functionality and can be used as substitutes for the SN74HCT244QPWREP depending on the specific requirements of the application.

Word count: 498 words

10个与SN74HCT244QPWREP在技术解决方案中的应用相关的常见问题及解答

Sure! Here are 10 common questions and answers related to the application of SN74HCT244QPWREP:

  1. Q: What is the SN74HCT244QPWREP? A: The SN74HCT244QPWREP is a high-speed octal buffer/line driver with 3-state outputs, designed for use in various digital applications.

  2. Q: What is the operating voltage range of SN74HCT244QPWREP? A: The operating voltage range of SN74HCT244QPWREP is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current of SN74HCT244QPWREP? A: The maximum output current per channel of SN74HCT244QPWREP is 6mA.

  4. Q: Can SN74HCT244QPWREP be used as a level shifter? A: Yes, SN74HCT244QPWREP can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many channels does SN74HCT244QPWREP have? A: SN74HCT244QPWREP has 8 channels, allowing it to handle 8 separate input/output lines.

  6. Q: What is the propagation delay of SN74HCT244QPWREP? A: The typical propagation delay of SN74HCT244QPWREP is around 9 ns.

  7. Q: Can SN74HCT244QPWREP drive capacitive loads? A: Yes, SN74HCT244QPWREP can drive capacitive loads up to 50pF without any additional components.

  8. Q: Is SN74HCT244QPWREP compatible with TTL logic levels? A: Yes, SN74HCT244QPWREP is compatible with both TTL and CMOS logic levels.

  9. Q: Can SN74HCT244QPWREP be used in bidirectional applications? A: No, SN74HCT244QPWREP is a unidirectional buffer and cannot be used for bidirectional communication.

  10. Q: What is the package type of SN74HCT244QPWREP? A: SN74HCT244QPWREP comes in a 20-pin TSSOP (Thin Shrink Small Outline Package) package.

Please note that these answers are general and may vary depending on the specific application or datasheet of the SN74HCT244QPWREP.