Texas Instruments
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SN74LVTZ244DW
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SN74LVTZ244DW

Product Overview

  • Category: Integrated Circuit
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-power, voltage-level shifting
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Translates logic levels between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units 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: 200MHz
  • Number of Channels: 8
  • Input/Output Type: Non-Inverting
  • Propagation Delay: 2.5ns (typical)

Detailed Pin Configuration

The SN74LVTZ244DW has a total of 20 pins, which are arranged as follows:

+---+--+---+ OE1 |1 +--+ 20| VCC A1_1 |2 19| B1_1 A1_2 |3 18| B1_2 A1_3 |4 17| B1_3 A1_4 |5 16| B1_4 A1_5 |6 15| B1_5 A1_6 |7 14| B1_6 A1_7 |8 13| B1_7 GND |9 12| B1_8 OE2 |10 11| A1_8 +----------+

Functional Features

  • Bidirectional voltage-level translation
  • Non-inverting logic translation
  • Supports multiple voltage domains
  • High-speed operation
  • Low power consumption

Advantages and Disadvantages

Advantages: - Allows interfacing between different voltage levels - Provides bidirectional translation - Supports high-speed operation

Disadvantages: - Limited to a maximum operating frequency of 200MHz - Requires external control signals for enabling/disabling the translation

Working Principles

The SN74LVTZ244DW is designed to translate logic levels between different voltage domains. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage-level shifting. The device operates by monitoring the input logic levels and translating them to the corresponding output levels based on the supply voltage.

Detailed Application Field Plans

The SN74LVTZ244DW can be used in various applications that require logic level translation between different voltage domains. Some potential application fields include:

  1. Microcontroller interfacing with different peripheral devices operating at different voltage levels.
  2. Communication systems where data needs to be transmitted between devices operating at different voltage domains.
  3. Sensor networks where sensors operate at different voltage levels and need to communicate with a central processing unit.

Detailed and Complete Alternative Models

  1. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver with configurable voltage translation and integrated pull-up resistors.
  2. SN74AVC4T245PW: Quad-bit dual-supply bus transceiver with configurable voltage translation and 3-state outputs.
  3. SN74LVC8T245PWR: Octal-bit dual-supply bus transceiver with configurable voltage translation and 3-state outputs.

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVTZ244DW depending on specific requirements and constraints.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SN74LVTZ244DW у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of SN74LVTZ244DW:

  1. Q: What is SN74LVTZ244DW? A: SN74LVTZ244DW is a specific type of integrated circuit (IC) known as a buffer/line driver. It is commonly used for signal buffering and level shifting in digital circuits.

  2. Q: What is the voltage supply range for SN74LVTZ244DW? A: The voltage supply range for SN74LVTZ244DW is typically between 2.7V and 3.6V.

  3. Q: What is the maximum output current of SN74LVTZ244DW? A: The maximum output current of SN74LVTZ244DW is typically around 32mA.

  4. Q: Can SN74LVTZ244DW be used for bidirectional communication? A: Yes, SN74LVTZ244DW supports bidirectional communication. It has separate input and output pins for each buffer.

  5. Q: What is the propagation delay of SN74LVTZ244DW? A: The propagation delay of SN74LVTZ244DW is typically around 3.8ns.

  6. Q: Is SN74LVTZ244DW compatible with TTL logic levels? A: Yes, SN74LVTZ244DW is compatible with both TTL and CMOS logic levels.

  7. Q: Can SN74LVTZ244DW be used for voltage level shifting between different logic families? A: Yes, SN74LVTZ244DW can be used for voltage level shifting between different logic families, such as between 3.3V and 5V.

  8. Q: Does SN74LVTZ244DW have any built-in protection features? A: Yes, SN74LVTZ244DW has built-in ESD (electrostatic discharge) protection diodes on its inputs and outputs.

  9. Q: What is the package type of SN74LVTZ244DW? A: SN74LVTZ244DW is available in a 20-pin SOIC (Small Outline Integrated Circuit) package.

  10. Q: Can SN74LVTZ244DW be used in high-speed applications? A: Yes, SN74LVTZ244DW is designed for high-speed operation and can be used in applications with fast switching speeds.

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