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SN74AHC244PWE4
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SN74AHC244PWE4

Product Overview

  • Category: Integrated Circuit
  • Use: Buffer/Line Driver
  • Characteristics: High-Speed, Low-Power, Non-Inverting
  • Package: TSSOP-20
  • Essence: Logic Level Shifter
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • Input Voltage Range: 0 V to VCC
  • Output Voltage Range: 0 V to VCC
  • High-Level Input Voltage: 0.7 x VCC to VCC
  • Low-Level Input Voltage: 0 V to 0.3 x VCC
  • High-Level Output Voltage: 0.9 x VCC to VCC
  • Low-Level Output Voltage: 0 V to 0.1 x VCC
  • Maximum Operating Frequency: 50 MHz
  • Propagation Delay: 6 ns (typical)

Detailed Pin Configuration

The SN74AHC244PWE4 has a total of 20 pins arranged as follows:

+---+--+---+ A1 -|1 +--+ 20|- VCC A2 -|2 |- B1 A3 -|3 |- B2 A4 -|4 |- B3 A5 -|5 |- B4 A6 -|6 |- B5 A7 -|7 |- B6 A8 -|8 |- B7 GND -|9 |- B8 OE -|10 |- Y1 Y2 -|11 |- OE# Y3 -|12 |- Y3 Y4 -|13 |- Y4 Y5 -|14 |- Y5 Y6 -|15 |- Y6 Y7 -|16 |- Y7 Y8 -|17 |- GND NC -|18 |- A8 NC -|19 |- A7 NC -|20 |- A6 +---+--+---+

Functional Features

The SN74AHC244PWE4 is a non-inverting buffer/line driver integrated circuit. It is designed to shift logic levels from one voltage domain to another. The device operates at high speed while consuming low power, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Non-inverting functionality - Wide supply voltage range - Compact TSSOP-20 package

Disadvantages: - Limited maximum operating frequency (50 MHz) - Propagation delay of 6 ns (typical)

Working Principles

The SN74AHC244PWE4 works by receiving input signals on the A1-A8 pins and providing corresponding output signals on the Y1-Y8 pins. The OE (Output Enable) pin controls the output state, allowing the device to be enabled or disabled. When the OE pin is high, the outputs are active, and when it is low, the outputs are in a high-impedance state.

Detailed Application Field Plans

The SN74AHC244PWE4 can be used in various applications, including but not limited to: - Level shifting between different logic families - Signal buffering and line driving - Data communication systems - Microcontroller interfacing - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SN74AHC244PWE4 are: - SN74AHC244-Q1 - SN74AHCT244 - SN74LVC244A - 74LVCH244A

These models offer similar functionality and characteristics, but may have differences in package type, voltage range, or other specifications.

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तकनीकी समाधानों में SN74AHC244PWE4 के अनुप्रयोग से संबंधित 10 सामान्य प्रश्नों और उत्तरों की सूची बनाएं

Sure! Here are 10 common questions and answers related to the application of SN74AHC244PWE4 in technical solutions:

  1. Q: What is SN74AHC244PWE4? A: SN74AHC244PWE4 is a non-inverting octal buffer and line driver with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the voltage supply range for SN74AHC244PWE4? A: The voltage supply range for SN74AHC244PWE4 is typically between 2 V and 5.5 V.

  3. Q: What is the maximum output current that SN74AHC244PWE4 can drive? A: SN74AHC244PWE4 can drive up to 8 mA of output current per channel.

  4. Q: Can SN74AHC244PWE4 be used as a level shifter? A: Yes, SN74AHC244PWE4 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many channels does SN74AHC244PWE4 have? A: SN74AHC244PWE4 has 8 channels, allowing it to buffer or drive up to 8 separate signals.

  6. Q: What is the propagation delay of SN74AHC244PWE4? A: The propagation delay of SN74AHC244PWE4 is typically around 7 ns.

  7. Q: Can SN74AHC244PWE4 be used in high-speed applications? A: Yes, SN74AHC244PWE4 is designed for high-speed operation and can be used in applications with fast switching requirements.

  8. Q: Does SN74AHC244PWE4 have built-in protection features? A: Yes, SN74AHC244PWE4 has built-in ESD protection on its inputs and outputs to safeguard against electrostatic discharge.

  9. Q: Can SN74AHC244PWE4 be used in bidirectional applications? A: No, SN74AHC244PWE4 is a unidirectional buffer and line driver, suitable for driving signals in one direction only.

  10. Q: What is the package type of SN74AHC244PWE4? A: SN74AHC244PWE4 comes in a TSSOP-20 package, which is a surface-mount package with 20 pins.

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