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74LVC821APW,118
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74LVC821APW,118

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Shifter
  • Characteristics: Low-voltage CMOS device, high-speed operation, wide voltage range compatibility
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic level shifting between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-level Input Voltage: 2V to VCC + 0.3V
  • Low-level Input Voltage: -0.3V to 0.8V
  • High-level Output Voltage: VCC - 0.3V
  • Low-level Output Voltage: 0.3V
  • Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

The 74LVC821APW,118 IC has a total of 20 pins arranged as follows:

```

| | | 1 2 3 4 5 6 7 8 | | | | 20 19 18 17 16 15 14 13 | | |

```

Functional Features

  • Logic Level Shifting: The 74LVC821APW,118 is designed to shift logic levels between different voltage domains.
  • Bidirectional Operation: It supports bidirectional data transfer between the input and output sides.
  • High-Speed Operation: The IC operates at high speeds, making it suitable for applications requiring fast data transmission.
  • Wide Voltage Range Compatibility: It can handle a wide range of supply voltages, allowing flexibility in system design.

Advantages and Disadvantages

Advantages: - Efficient Logic Level Shifting: The IC provides reliable and efficient logic level shifting between different voltage domains. - Bidirectional Data Transfer: It supports bidirectional data transfer, simplifying system design. - High-Speed Operation: The IC operates at high speeds, enabling fast data transmission.

Disadvantages: - Limited Maximum Operating Frequency: The maximum operating frequency of 100MHz may not be sufficient for certain high-speed applications. - TSSOP Package: The TSSOP package may require careful handling during assembly due to its small size.

Working Principles

The 74LVC821APW,118 utilizes CMOS technology to achieve logic level shifting. It consists of a combination of MOSFETs and CMOS circuitry that allows bidirectional data transfer between two voltage domains. The input signals are translated to the appropriate voltage levels on the output side, ensuring compatibility between different logic families or voltage levels.

Detailed Application Field Plans

The 74LVC821APW,118 is commonly used in various applications where logic level shifting is required. Some potential application fields include:

  1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels.
  2. Communication Systems: The IC enables level translation between different communication protocols, such as UART, SPI, or I2C.
  3. Sensor Interfaces: It facilitates communication between sensors and microcontrollers with different voltage requirements.
  4. Battery-Powered Devices: The low-voltage operation and wide voltage range compatibility make it suitable for battery-powered devices.

Detailed and Complete Alternative Models

  1. 74LVC821APW,112
  2. 74LVC821APW,125
  3. 74LVC821APW,126
  4. 74LVC821APW,129
  5. 74LVC821APW,132

These alternative models offer similar functionality and characteristics to the 74LVC821APW,118, providing options for different package types or minor variations in specifications.

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技術ソリューションにおける 74LVC821APW,118 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of 74LVC821APW,118:

  1. Q: What is the function of the 74LVC821APW,118? A: The 74LVC821APW,118 is a 10-bit buffer/line driver with 3-state outputs.

  2. Q: What is the voltage supply range for the 74LVC821APW,118? A: The voltage supply range is typically between 1.65V and 5.5V.

  3. Q: How many inputs does the 74LVC821APW,118 have? A: It has 10 inputs.

  4. Q: Can the 74LVC821APW,118 be used as an output driver? A: Yes, it can be used as both an input buffer and an output driver.

  5. Q: What is the maximum output current of the 74LVC821APW,118? A: The maximum output current is typically 24mA.

  6. Q: Does the 74LVC821APW,118 have internal pull-up or pull-down resistors? A: No, it does not have internal pull-up or pull-down resistors.

  7. Q: Can the 74LVC821APW,118 be used in high-speed applications? A: Yes, it is designed for high-speed operation and has a propagation delay of typically 3.8ns.

  8. Q: Is the 74LVC821APW,118 compatible with TTL logic levels? A: Yes, it is compatible with both TTL and CMOS logic levels.

  9. Q: Can the 74LVC821APW,118 drive capacitive loads? A: Yes, it can drive capacitive loads up to 50pF.

  10. Q: What is the package type of the 74LVC821APW,118? A: It is available in a TSSOP-20 package.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74LVC821APW,118.