圖片可能僅供參考。
有關產品詳細信息,請參閱規格。
74VHCT373ASJ

Encyclopedia Entry: 74VHCT373ASJ

Product Overview

Category

The 74VHCT373ASJ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for data storage and transfer applications.

Characteristics

  • High-speed operation
  • Low power consumption
  • Compatibility with both TTL and CMOS logic levels
  • Wide operating voltage range
  • Enhanced noise immunity

Package

The 74VHCT373ASJ is available in a small outline integrated circuit (SOIC) package.

Essence

This IC is an octal transparent latch with three-state outputs, designed to store and transfer data in digital systems.

Packaging/Quantity

The 74VHCT373ASJ is typically packaged in reels or tubes, containing a quantity of 250 or 2,500 units per package.

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: ±6mA
  • Propagation Delay Time: 7ns (max)
  • Output Transition Time: 6ns (max)

Detailed Pin Configuration

The 74VHCT373ASJ has a total of 20 pins, which are assigned as follows:

  1. D0 (Data Input 0)
  2. D1 (Data Input 1)
  3. D2 (Data Input 2)
  4. D3 (Data Input 3)
  5. D4 (Data Input 4)
  6. D5 (Data Input 5)
  7. D6 (Data Input 6)
  8. D7 (Data Input 7)
  9. GND (Ground)
  10. OE (Output Enable)
  11. Q0 (Output 0)
  12. Q1 (Output 1)
  13. Q2 (Output 2)
  14. Q3 (Output 3)
  15. Q4 (Output 4)
  16. Q5 (Output 5)
  17. Q6 (Output 6)
  18. Q7 (Output 7)
  19. VCC (Supply Voltage)
  20. NC (No Connection)

Functional Features

  • Octal transparent latch with three-state outputs
  • Data inputs are latched to the outputs when the latch enable (LE) input is high
  • Outputs can be disabled by setting the output enable (OE) input low
  • High-speed operation allows for efficient data transfer
  • Compatibility with both TTL and CMOS logic levels enables versatile usage

Advantages and Disadvantages

Advantages

  • High-speed operation facilitates quick data transfer
  • Low power consumption helps in energy-efficient designs
  • Wide operating voltage range provides flexibility in various applications
  • Enhanced noise immunity ensures reliable performance

Disadvantages

  • Limited number of outputs (8 in total)
  • Requires external control signals for proper functioning

Working Principles

The 74VHCT373ASJ operates as an octal transparent latch, meaning that the data inputs are directly transferred to the outputs when the latch enable (LE) input is high. The latch stores the data until a new set of inputs is received. The outputs can be disabled by setting the output enable (OE) input low, which effectively disconnects them from the system.

Detailed Application Field Plans

The 74VHCT373ASJ finds extensive use in various digital systems, including but not limited to: - Microprocessors and microcontrollers - Memory modules - Communication devices - Industrial automation systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74VHCT373ASJ include: - 74HC373: High-speed CMOS octal latch with three-state outputs - SN74LS373: Octal transparent latch with tri-state outputs - CD74ACT373: Octal transparent latch with 3-state outputs, compatible with TTL logic levels

These alternatives can be considered based on specific application requirements and availability.


Word count: 526 words

10個與74VHCT373ASJ在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of 74VHCT373ASJ in technical solutions:

  1. Q: What is the 74VHCT373ASJ? A: The 74VHCT373ASJ is a high-speed octal transparent latch with 3-state outputs, commonly used in digital circuits.

  2. Q: What is the purpose of the 74VHCT373ASJ? A: The purpose of this IC is to store and control the flow of data in digital systems, allowing for temporary storage and manipulation of information.

  3. Q: What is the maximum operating voltage for the 74VHCT373ASJ? A: The maximum operating voltage for this IC is typically around 5.5 volts.

  4. Q: How many latch inputs does the 74VHCT373ASJ have? A: The 74VHCT373ASJ has eight latch inputs, labeled D0 to D7.

  5. Q: Can the 74VHCT373ASJ be used as a bidirectional buffer? A: No, the 74VHCT373ASJ is not designed for bidirectional buffering. It is primarily used for unidirectional data storage.

  6. Q: What is the output current capability of the 74VHCT373ASJ? A: The output current capability of this IC is typically around 8 mA.

  7. Q: Can I cascade multiple 74VHCT373ASJ ICs together? A: Yes, you can cascade multiple 74VHCT373ASJ ICs to increase the number of latch outputs in your system.

  8. Q: Does the 74VHCT373ASJ support 3-state outputs? A: Yes, the 74VHCT373ASJ has 3-state outputs, which means you can disable the output drivers to put them in a high-impedance state.

  9. Q: What is the typical propagation delay of the 74VHCT373ASJ? A: The typical propagation delay for this IC is around 6 ns.

  10. Q: Can I use the 74VHCT373ASJ in both CMOS and TTL logic systems? A: Yes, the 74VHCT373ASJ is compatible with both CMOS and TTL logic levels, making it versatile for various applications.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74VHCT373ASJ.