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SN74ALVTH162827DL
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SN74ALVTH162827DL

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-voltage, 20-bit buffer/driver with 3-state outputs
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Translates signals between different voltage levels
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 400 MHz
  • Number of Inputs/Outputs: 20
  • Output Drive Capability: ±24 mA
  • Propagation Delay: 2.5 ns (max)

Detailed Pin Configuration

The SN74ALVTH162827DL has a total of 56 pins, which are distributed as follows:

  • Pin 1: OE (Output Enable) for Outputs 1-8
  • Pin 2: GND (Ground)
  • Pin 3: A1 (Input 1)
  • Pin 4: B1 (Input 2)
  • Pin 5: Y1 (Output 1)
  • Pin 6: Y2 (Output 2)
  • ...
  • Pin 55: VCC (Supply Voltage)
  • Pin 56: OE (Output Enable) for Outputs 17-20

Functional Features

  • Bidirectional voltage translation between two independent voltage domains
  • Supports level shifting from 1.65V to 3.6V and vice versa
  • Provides non-inverting level translation with 3-state outputs
  • Allows interfacing between devices operating at different voltage levels

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low-voltage operation reduces power consumption - 3-state outputs allow multiple devices to share a bus

Disadvantages: - Limited number of inputs/outputs (20 in this case) - Requires careful consideration of voltage compatibility between domains

Working Principles

The SN74ALVTH162827DL utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. It employs level-shifting circuitry to convert signals from one voltage domain to another, allowing seamless communication between devices operating at different voltage levels. The device is designed to minimize propagation delay and provide reliable signal integrity.

Detailed Application Field Plans

The SN74ALVTH162827DL can be used in various applications, including:

  1. Microcontrollers and microprocessors interfacing with peripherals operating at different voltage levels.
  2. Communication systems where voltage translation is required between different components.
  3. Industrial automation systems that involve interfacing between sensors, actuators, and control units operating at different voltages.
  4. Battery-powered devices where low-voltage operation is crucial for power efficiency.

Detailed and Complete Alternative Models

  1. SN74LVC1T45: Single-bit voltage level translator with 3-state output.
  2. SN74AVC4T245: Quad-bit voltage level translator with 3-state output.
  3. SN74LVCH162827A: 20-bit buffer/driver with 3-state outputs and enhanced ESD protection.

These alternative models offer similar functionality and can be considered as alternatives to the SN74ALVTH162827DL based on specific requirements and constraints.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74ALVTH162827DL i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74ALVTH162827DL:

  1. Q: What is SN74ALVTH162827DL? A: SN74ALVTH162827DL is a 20-bit buffer/driver with 3-state outputs, designed for low-voltage (2.7V to 3.6V) applications.

  2. Q: What is the maximum operating frequency of SN74ALVTH162827DL? A: The maximum operating frequency of SN74ALVTH162827DL is typically around 400 MHz.

  3. Q: Can SN74ALVTH162827DL be used in both input and output applications? A: Yes, SN74ALVTH162827DL can be used as both an input buffer and an output driver.

  4. Q: What is the maximum output current that SN74ALVTH162827DL can drive? A: SN74ALVTH162827DL can drive up to 24 mA of current per output.

  5. Q: Does SN74ALVTH162827DL support hot insertion? A: Yes, SN74ALVTH162827DL supports hot insertion, which means it can be inserted or removed from a live circuit without causing damage.

  6. Q: Can SN74ALVTH162827DL tolerate overvoltage on its inputs? A: Yes, SN74ALVTH162827DL has built-in protection diodes that allow it to tolerate overvoltage on its inputs up to VCC + 2V.

  7. Q: What is the typical propagation delay of SN74ALVTH162827DL? A: The typical propagation delay of SN74ALVTH162827DL is around 2.5 ns.

  8. Q: Can SN74ALVTH162827DL be used in a mixed-voltage system? A: Yes, SN74ALVTH162827DL is designed to work in mixed-voltage systems, where the inputs and outputs can operate at different voltage levels.

  9. Q: Does SN74ALVTH162827DL have internal pull-up or pull-down resistors? A: No, SN74ALVTH162827DL does not have internal pull-up or pull-down resistors. External resistors are required if pull-up or pull-down functionality is needed.

  10. Q: What package options are available for SN74ALVTH162827DL? A: SN74ALVTH162827DL is available in various package options, such as TSSOP, TVSOP, and VFBGA, depending on the manufacturer's offerings.

Please note that these answers are general and may vary based on specific datasheet specifications and manufacturer recommendations.