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SN74ALVCH245DWR
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SN74ALVCH245DWR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: Bi-directional, 8-bit, voltage level translation
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: High-speed CMOS technology for low power consumption
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 1.65V to 3.6V
  • Input Voltage Levels: 0V to VCC
  • Output Voltage Levels: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 2.4ns (max) at 3.3V supply
  • Output Drive Strength: ±24mA

Detailed Pin Configuration

The SN74ALVCH245DWR has a total of 20 pins, which are divided into two groups: input/output pins and control pins. The pin configuration is as follows:

  • Pin 1: OE (Output Enable)
  • Pin 2: A1 (Data Input/Output)
  • Pin 3: B1 (Data Input/Output)
  • Pin 4: A2 (Data Input/Output)
  • Pin 5: B2 (Data Input/Output)
  • Pin 6: A3 (Data Input/Output)
  • Pin 7: B3 (Data Input/Output)
  • Pin 8: GND (Ground)
  • Pin 9: B4 (Data Input/Output)
  • Pin 10: A4 (Data Input/Output)
  • Pin 11: B5 (Data Input/Output)
  • Pin 12: A5 (Data Input/Output)
  • Pin 13: B6 (Data Input/Output)
  • Pin 14: A6 (Data Input/Output)
  • Pin 15: B7 (Data Input/Output)
  • Pin 16: A7 (Data Input/Output)
  • Pin 17: VCC (Supply Voltage)
  • Pin 18: DIR (Direction Control)
  • Pin 19: B8 (Data Input/Output)
  • Pin 20: A8 (Data Input/Output)

Functional Features

The SN74ALVCH245DWR is designed to provide level shifting and bus transceiver functionality. Its key features include:

  1. Bi-directional data transfer: Allows data transmission in both directions.
  2. Voltage level translation: Translates signals between different voltage domains.
  3. High-speed operation: Utilizes high-speed CMOS technology for fast data transfer.
  4. Low power consumption: Designed to minimize power consumption.
  5. Output drive strength: Provides strong output current capability for driving external loads.

Advantages and Disadvantages

Advantages: - Bi-directional data transfer enables versatile communication between different devices. - Wide supply voltage range allows compatibility with various systems. - High-speed operation ensures efficient data transmission. - Low power consumption helps conserve energy. - Strong output drive strength enables driving of external loads.

Disadvantages: - Limited number of data input/output pins (8-bit). - Requires careful consideration of voltage compatibility between connected devices.

Working Principles

The SN74ALVCH245DWR operates by receiving data from one set of pins and transmitting it to another set of pins, while also performing voltage level translation. The direction of data flow is controlled by the DIR pin. When the DIR pin is set to a specific logic level, the data is transferred in the corresponding direction.

The IC utilizes CMOS technology to achieve high-speed operation and low power consumption. It translates voltage levels between different domains, allowing seamless communication between devices operating at different voltages.

Detailed Application Field Plans

The SN74ALVCH245DWR is commonly used in various applications that require level shifting and bus transceiver functionality. Some of the typical application fields include:

  1. Microcontroller interfacing: Enables communication between microcontrollers operating at different voltage levels.
  2. Memory modules: Facilitates data transfer between memory modules with varying voltage requirements.
  3. Communication systems: Allows signal translation between different communication protocols or standards.
  4. Industrial automation: Provides level shifting capabilities for interfacing sensors and actuators with control systems.
  5. Automotive electronics: Enables communication between different automotive subsystems operating at different voltage levels.

Detailed and Complete Alternative Models

  1. SN74LVC245A: Similar 8-bit bi-directional level shifter and bus transceiver with lower power consumption.
  2. SN74LVCH16245A: 16-bit version of the SN74ALVCH245DWR, offering higher data capacity. 3

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN74ALVCH245DWR dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of SN74ALVCH245DWR:

  1. Q: What is SN74ALVCH245DWR? A: SN74ALVCH245DWR is a bidirectional octal bus transceiver with 3-state outputs, commonly used in digital systems.

  2. Q: What is the voltage range supported by SN74ALVCH245DWR? A: SN74ALVCH245DWR supports a voltage range of 1.65V to 3.6V.

  3. Q: How many channels does SN74ALVCH245DWR have? A: SN74ALVCH245DWR has 8 bidirectional channels.

  4. Q: Can SN74ALVCH245DWR be used for level shifting between different voltage domains? A: Yes, SN74ALVCH245DWR can be used for level shifting between different voltage domains.

  5. Q: What is the maximum data rate supported by SN74ALVCH245DWR? A: SN74ALVCH245DWR supports a maximum data rate of 400 Mbps.

  6. Q: Does SN74ALVCH245DWR have built-in ESD protection? A: Yes, SN74ALVCH245DWR has built-in ESD protection on all pins.

  7. Q: Can SN74ALVCH245DWR be used in both parallel and serial communication systems? A: Yes, SN74ALVCH245DWR can be used in both parallel and serial communication systems.

  8. Q: What is the power supply voltage required for SN74ALVCH245DWR? A: SN74ALVCH245DWR requires a power supply voltage of 1.65V to 3.6V.

  9. Q: Can SN74ALVCH245DWR be used in high-speed applications? A: Yes, SN74ALVCH245DWR can be used in high-speed applications due to its fast switching speed.

  10. Q: Is SN74ALVCH245DWR available in different package options? A: Yes, SN74ALVCH245DWR is available in various package options, including SOIC and TSSOP.

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