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SN74LVTH244ADWE4
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SN74LVTH244ADWE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-Speed, Low-Voltage, Tri-State
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Logic Level Shifter
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Logic Family: LVTH
  • Number of Channels: 8
  • Input Voltage: 1.65V to 3.6V
  • Output Voltage: 1.65V to 3.6V
  • Propagation Delay Time: 2.5ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH244ADWE4 has a total of 20 pins, which are arranged as follows:

__ __ A1 | 1 20 | VCC B1 | 2 19 | OE# A2 | 3 18 | B2 B2 | 4 17 | A3 A3 | 5 16 | B3 B3 | 6 15 | A4 A4 | 7 14 | B4 B4 | 8 13 | A5 GND | 9 12 | B5 OE | 10 11 | A6 ‾‾ ‾‾

Functional Features

  • Provides voltage level shifting between different logic families.
  • Acts as a buffer or line driver for digital signals.
  • Supports bidirectional data flow.
  • Tri-state outputs allow for bus sharing and isolation.

Advantages

  • High-speed operation enables efficient data transfer.
  • Low-voltage operation reduces power consumption.
  • Tri-state outputs provide flexibility in bus design.
  • Wide operating temperature range allows for various applications.

Disadvantages

  • Limited voltage range may not be suitable for all applications.
  • Requires careful consideration of input and output voltage compatibility.

Working Principles

The SN74LVTH244ADWE4 is designed to shift logic levels between different voltage domains. It accepts low-voltage inputs (1.65V to 3.6V) and provides corresponding level-shifted outputs. The tri-state feature allows the outputs to be disabled, effectively disconnecting them from the bus. This enables multiple devices to share the same bus without interference.

Detailed Application Field Plans

The SN74LVTH244ADWE4 is commonly used in various digital systems where voltage level shifting is required. Some typical application fields include:

  1. Microcontroller interfacing with different voltage peripherals.
  2. Communication interfaces (UART, SPI, I2C) between devices operating at different voltage levels.
  3. Memory modules and memory controllers.
  4. Industrial automation systems.
  5. Automotive electronics.

Detailed and Complete Alternative Models

  1. SN74LVC244A: Similar functionality but operates at a lower voltage range (1.65V to 3.6V).
  2. SN74HCT244: Compatible with higher voltage levels (up to 5.5V) but operates at slower speeds.
  3. SN74LVTH16245A: Provides bidirectional level shifting for 16 channels.

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

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN74LVTH244ADWE4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of SN74LVTH244ADWE4 in technical solutions:

  1. Q: What is SN74LVTH244ADWE4? A: SN74LVTH244ADWE4 is a specific type of integrated circuit (IC) known as a buffer/line driver. It is commonly used for signal buffering and level shifting applications.

  2. Q: What is the voltage supply range for SN74LVTH244ADWE4? A: The voltage supply range for SN74LVTH244ADWE4 is typically between 2.7V and 3.6V.

  3. Q: What is the maximum output current that SN74LVTH244ADWE4 can handle? A: SN74LVTH244ADWE4 can handle a maximum output current of around 12mA.

  4. Q: Can SN74LVTH244ADWE4 be used for bidirectional communication? A: No, SN74LVTH244ADWE4 is a unidirectional buffer/line driver and cannot be used for bidirectional communication.

  5. Q: What is the maximum operating frequency of SN74LVTH244ADWE4? A: SN74LVTH244ADWE4 has a maximum operating frequency of around 200MHz.

  6. Q: Is SN74LVTH244ADWE4 compatible with both TTL and CMOS logic levels? A: Yes, SN74LVTH244ADWE4 is designed to be compatible with both TTL and CMOS logic levels.

  7. Q: Can SN74LVTH244ADWE4 be used for voltage level shifting between different logic families? A: Yes, SN74LVTH244ADWE4 can be used for voltage level shifting between different logic families, such as between 3.3V and 5V.

  8. Q: Does SN74LVTH244ADWE4 have any built-in protection features? A: Yes, SN74LVTH244ADWE4 has built-in ESD (electrostatic discharge) protection to prevent damage from static electricity.

  9. Q: What is the package type for SN74LVTH244ADWE4? A: SN74LVTH244ADWE4 is available in a standard SOIC-20 package.

  10. Q: Can SN74LVTH244ADWE4 be used in high-speed data transmission applications? A: Yes, SN74LVTH244ADWE4 can be used in high-speed data transmission applications, thanks to its fast switching speed and low propagation delay.

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