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PI74LPT16373AA
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PI74LPT16373AA

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-power, 16-bit bidirectional level translator
  • Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: Translates logic levels between two different voltage domains
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: 2.3V to 3.6V
  • Input Voltage Range (A Port): GND to VCC_A
  • Input Voltage Range (B Port): GND to VCC_B
  • Output Voltage Range (A Port): GND to VCC_A
  • Output Voltage Range (B Port): GND to VCC_B
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 4.5ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

The PI74LPT16373AA has a total of 48 pins, which are divided into four groups:

  1. Group A Inputs/Outputs (Pins 1-16): These pins are used for bidirectional communication with the A port.
  2. Group B Inputs/Outputs (Pins 17-32): These pins are used for bidirectional communication with the B port.
  3. Control Inputs (Pins 33-40): These pins control the direction of data flow and enable/disable features.
  4. Power and Ground Pins (Pins 41-48): These pins provide power supply and ground connections.

Functional Features

  • Bidirectional level translation between two voltage domains
  • Supports voltage translation from 2.3V to 3.6V
  • High-speed operation with low propagation delay
  • Low power consumption
  • ESD protection on all pins
  • 3-state outputs for bus-oriented applications

Advantages and Disadvantages

Advantages: - Wide voltage range support - High-speed operation - Low power consumption - ESD protection on all pins ensures reliability - Suitable for bus-oriented applications

Disadvantages: - Limited to 16-bit bidirectional level translation - Requires external control signals for direction control

Working Principles

The PI74LPT16373AA is designed to translate logic levels between two different voltage domains. It uses a combination of level shifters and transistors to achieve bidirectional communication. The direction of data flow is controlled by the control inputs, which enable/disable the internal circuitry accordingly.

Detailed Application Field Plans

The PI74LPT16373AA can be used in various applications that require level translation between different voltage domains. Some potential application fields include:

  1. Microcontroller Interfacing: Enable communication between microcontrollers operating at different voltage levels.
  2. Sensor Networks: Facilitate data exchange between sensors operating at different voltage levels.
  3. Industrial Automation: Connect devices with varying voltage requirements in industrial automation systems.
  4. Communication Interfaces: Interface between different communication protocols with different voltage levels.

Detailed and Complete Alternative Models

  1. SN74LVC1T45: Single-bit level translator with automatic direction sensing.
  2. TXB0108: Eight-bit bidirectional voltage-level translator with automatic direction control.
  3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.

These alternative models offer similar functionality and can be considered as alternatives to the PI74LPT16373AA based on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de PI74LPT16373AA en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of PI74LPT16373AA in technical solutions:

  1. Q: What is PI74LPT16373AA? A: PI74LPT16373AA is a type of integrated circuit (IC) that functions as a 16-bit transparent latch with 3-state outputs.

  2. Q: What are the key features of PI74LPT16373AA? A: Some key features of PI74LPT16373AA include high-speed operation, wide operating voltage range, 3-state outputs, and compatibility with various logic families.

  3. Q: How can PI74LPT16373AA be used in technical solutions? A: PI74LPT16373AA can be used for applications such as data storage, address decoding, bus interfacing, and signal buffering in digital systems.

  4. Q: What is the maximum operating frequency of PI74LPT16373AA? A: The maximum operating frequency of PI74LPT16373AA is typically specified by the manufacturer and can vary depending on the specific conditions and setup.

  5. Q: Can PI74LPT16373AA handle both input and output signals? A: Yes, PI74LPT16373AA can handle both input and output signals. It acts as a transparent latch, allowing data to pass through when enabled.

  6. Q: What is the power supply voltage range for PI74LPT16373AA? A: The power supply voltage range for PI74LPT16373AA is typically specified by the manufacturer and can vary, but it is commonly around 4.5V to 5.5V.

  7. Q: Does PI74LPT16373AA support 3-state outputs? A: Yes, PI74LPT16373AA supports 3-state outputs. This allows the outputs to be in a high-impedance state when not enabled, preventing any interference with other devices on the bus.

  8. Q: Can PI74LPT16373AA be cascaded to increase the number of latches? A: Yes, PI74LPT16373AA can be cascaded by connecting the output of one latch to the input of another, allowing for an increased number of latches in a system.

  9. Q: What are the typical applications where PI74LPT16373AA is used? A: PI74LPT16373AA is commonly used in microprocessor systems, memory modules, data communication equipment, and other digital systems that require latch functionality.

  10. Q: Are there any specific precautions to consider when using PI74LPT16373AA? A: It is important to follow the manufacturer's datasheet and guidelines for proper usage, including considerations for power supply decoupling, signal integrity, and thermal management.