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SN74ALVC244PW
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SN74ALVC244PW

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-speed, low-power, voltage level shifting
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic Level Translator
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 400MHz
  • Number of Channels: 8
  • Input/Output Type: Non-Inverting
  • Propagation Delay: 2.4ns (typical)

Detailed Pin Configuration

The SN74ALVC244PW has a total of 20 pins, which are arranged as follows:

+---+--+---+ OE# --|1 +--+ 20|-- VCC A1IN --|2 19|-- B1OUT A2IN --|3 18|-- B2OUT A3IN --|4 17|-- B3OUT A4IN --|5 74 16|-- B4OUT A5IN --|6 ALVC244 15|-- B5OUT A6IN --|7 14|-- B6OUT A7IN --|8 13|-- B7OUT A8IN --|9 12|-- B8OUT GND --|10 11|-- OE# +----------+

Functional Features

  • High-speed logic level translation between different voltage domains.
  • Non-inverting buffer/line driver for bidirectional communication.
  • Low power consumption, suitable for battery-powered devices.
  • Supports voltage level shifting from 1.65V to 3.6V.

Advantages and Disadvantages

Advantages

  • Fast propagation delay ensures efficient signal transmission.
  • Wide supply voltage range allows compatibility with various systems.
  • Non-inverting nature simplifies circuit design.

Disadvantages

  • Limited number of channels (8) may not be sufficient for complex applications.
  • TSSOP package may require careful handling during assembly.

Working Principles

The SN74ALVC244PW is designed to translate logic levels between different voltage domains. It acts as a buffer/line driver, providing non-inverting bidirectional communication. The IC operates by receiving input signals from one voltage domain and translating them to the desired output voltage level in another domain. This enables seamless integration of components operating at different voltage levels within a system.

Detailed Application Field Plans

The SN74ALVC244PW finds applications in various fields, including:

  1. Microcontrollers: Facilitates communication between microcontrollers operating at different voltage levels.
  2. Communication Systems: Enables voltage level translation in serial communication interfaces such as UART, SPI, and I2C.
  3. Battery-Powered Devices: Provides low-power level shifting for portable electronics.
  4. Industrial Automation: Allows interfacing between different voltage domains in control systems.

Detailed and Complete Alternative Models

  1. SN74LVC244A: Similar functionality with a wider supply voltage range (1.65V to 5.5V).
  2. SN74LVCH244A: Higher speed and lower power consumption compared to SN74ALVC244PW.
  3. SN74AHC244: Compatible with higher voltage levels (up to 5.5V) but consumes more power.

These alternative models offer similar features and can be considered based on specific application requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SN74ALVC244PW i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SN74ALVC244PW:

  1. Q: What is SN74ALVC244PW? A: SN74ALVC244PW 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 SN74ALVC244PW? A: SN74ALVC244PW is used to provide buffering and signal amplification for digital signals in various technical solutions.

  3. Q: What voltage levels does SN74ALVC244PW support? A: SN74ALVC244PW supports voltage levels ranging from 1.65V to 3.6V, making it compatible with a wide range of systems.

  4. Q: How many input/output pins does SN74ALVC244PW have? A: SN74ALVC244PW has 8 input pins and 8 output pins, providing a total of 16 pins.

  5. Q: Can SN74ALVC244PW handle bidirectional data flow? A: No, SN74ALVC244PW is unidirectional and can only drive signals in one direction.

  6. Q: What is the maximum current that SN74ALVC244PW can source/sink? A: SN74ALVC244PW can source or sink up to 24mA of current per output pin.

  7. Q: Is SN74ALVC244PW suitable for high-speed applications? A: Yes, SN74ALVC244PW is designed to operate at high speeds, making it suitable for applications requiring fast signal propagation.

  8. Q: Can SN74ALVC244PW tolerate overvoltage conditions? A: No, SN74ALVC244PW is not designed to tolerate overvoltage conditions and may get damaged if exposed to voltages beyond its specified range.

  9. Q: Can SN74ALVC244PW be cascaded to increase the number of output pins? A: Yes, multiple SN74ALVC244PW ICs can be cascaded together to increase the number of output pins in a system.

  10. Q: What are some typical applications of SN74ALVC244PW? A: SN74ALVC244PW is commonly used in applications such as data communication systems, memory interfaces, bus drivers, and general-purpose digital logic circuits.

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