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SN74AVC8T245PWRE4
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SN74AVC8T245PWRE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifting and Voltage Translation
  • Characteristics: Bi-directional, 8-bit, voltage level translator
  • Package: TSSOP-24
  • Essence: Translates signals between different voltage levels
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: 0V to VCCA
  • Output Voltage Range: 0V to VCCB
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 5.7 ns (typical)
  • Output Drive Strength: ±24 mA

Detailed Pin Configuration

The SN74AVC8T245PWRE4 has a total of 24 pins arranged as follows:

___________ | | 1 | 24 | GND 2 | 23 | B1 3 | 22 | A1 4 | 21 | OE# 5 | 20 | VCCA 6 | 19 | B2 7 | 18 | A2 8 | 17 | VCCB 9 | 16 | DIR 10 | 15 | B3 11 | 14 | A3 12 | 13 | B4 |___________|

Functional Features

  • Bi-directional voltage level translation between two independent voltage domains (VCCA and VCCB)
  • 8-bit wide data path with direction control
  • Automatic direction sensing and control
  • Low power consumption
  • Supports mixed-mode signal operation on all ports

Advantages

  • Wide supply voltage range allows compatibility with various systems
  • Fast propagation delay enables high-speed data transmission
  • Bi-directional capability simplifies circuit design
  • Automatic direction control eliminates the need for additional control signals
  • Low power consumption extends battery life in portable devices

Disadvantages

  • Limited output drive strength may not be suitable for driving heavy loads
  • TSSOP package may require careful handling during assembly to avoid damage

Working Principles

The SN74AVC8T245PWRE4 is designed to translate digital signals between different voltage levels. It features a bidirectional data path with automatic direction sensing and control. The device operates by monitoring the voltage levels of the input signals and automatically adjusting the direction of data flow accordingly. This eliminates the need for external control signals to manage the direction of data transmission.

Detailed Application Field Plans

The SN74AVC8T245PWRE4 can be used in various applications that require voltage level shifting and signal translation. Some potential application fields include:

  1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, allowing seamless communication between them.
  2. Communication systems: It can be employed in communication systems to enable data exchange between devices operating at different voltage domains.
  3. Industrial automation: The IC can facilitate communication between different components of an industrial automation system, such as sensors, actuators, and controllers.
  4. Consumer electronics: It can be utilized in consumer electronic devices to enable compatibility between different subsystems or modules.

Detailed and Complete Alternative Models

  1. TXS0108EPWR: 8-bit bidirectional voltage-level translator with automatic direction control. Package: TSSOP-20.
  2. PCA9306DCTR: Dual bidirectional I2C-bus and SMBus voltage-level translator. Package: SOT-23-6.
  3. SN74LVC8T245PWR: 8-bit dual-supply bus transceiver with configurable voltage translation and 3-state outputs. Package: TSSOP-24.

(Note: These alternative models are provided as examples and may have different specifications and features. It is recommended to refer to their respective datasheets for detailed information.)

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74AVC8T245PWRE4 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SN74AVC8T245PWRE4 in technical solutions:

  1. Q: What is the SN74AVC8T245PWRE4? A: The SN74AVC8T245PWRE4 is a bidirectional voltage-level translator and voltage-level shifter integrated circuit (IC) manufactured by Texas Instruments.

  2. Q: What is the purpose of the SN74AVC8T245PWRE4? A: The purpose of this IC is to enable bidirectional level translation between different voltage domains, allowing communication between devices operating at different voltage levels.

  3. Q: What voltage levels can the SN74AVC8T245PWRE4 support? A: The SN74AVC8T245PWRE4 supports voltage translation between two voltage domains, typically ranging from 1.2V to 3.6V.

  4. Q: How many channels does the SN74AVC8T245PWRE4 have? A: This IC has 8 bidirectional channels, allowing for simultaneous translation of up to 8 signals.

  5. Q: Can the SN74AVC8T245PWRE4 handle high-speed data transmission? A: Yes, the SN74AVC8T245PWRE4 is designed to support high-speed data transmission with a maximum data rate of 100 Mbps.

  6. Q: Is the SN74AVC8T245PWRE4 compatible with I2C and SPI interfaces? A: Yes, the SN74AVC8T245PWRE4 is commonly used for level shifting in I2C and SPI interfaces, making it compatible with these protocols.

  7. Q: Does the SN74AVC8T245PWRE4 require external pull-up or pull-down resistors? A: Yes, this IC requires external pull-up or pull-down resistors to set the voltage levels for each channel.

  8. Q: Can the SN74AVC8T245PWRE4 be used in both 3.3V and 5V systems? A: Yes, the SN74AVC8T245PWRE4 can be used in systems operating at both 3.3V and 5V, as it supports bidirectional level translation between these voltage domains.

  9. Q: What is the power supply voltage range for the SN74AVC8T245PWRE4? A: The power supply voltage range for this IC is typically from 1.2V to 3.6V.

  10. Q: Are there any special considerations when using the SN74AVC8T245PWRE4? A: It is important to ensure that the voltage levels of the input and output signals are within the specified range to prevent damage to the IC. Additionally, proper decoupling capacitors should be used to stabilize the power supply.