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74VHCT573AN
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Encyclopedia Entry: 74VHCT573AN

Product Overview

Category

The 74VHCT573AN belongs to the category of integrated circuits (ICs) and specifically falls under the family of octal transparent D-type latches with 3-state outputs.

Use

This IC is commonly used in digital electronics for storing and transferring data. It can be employed in various applications where reliable data storage and retrieval are required.

Characteristics

  • Octal (8-bit) design
  • Transparent latch functionality
  • 3-state outputs
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range

Package

The 74VHCT573AN is typically available in a 20-pin plastic dual in-line package (PDIP). This package offers mechanical protection and facilitates easy integration into electronic circuits.

Essence

The essence of the 74VHCT573AN lies in its ability to store and transfer digital data efficiently, making it an essential component in many electronic systems.

Packaging/Quantity

This IC is commonly sold in reels or tubes, with each reel/tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

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
  • Maximum Clock Frequency: 80 MHz
  • Output Drive Capability: ±6 mA
  • Propagation Delay Time: 7 ns (typical)

Detailed Pin Configuration

The 74VHCT573AN has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

  1. GND (Ground)
  2. D0 (Data Input 0)
  3. D1 (Data Input 1)
  4. D2 (Data Input 2)
  5. D3 (Data Input 3)
  6. D4 (Data Input 4)
  7. D5 (Data Input 5)
  8. D6 (Data Input 6)
  9. D7 (Data Input 7)
  10. G (Gated Latch Enable)
  11. LE (Latch Enable)
  12. OE (Output Enable)
  13. Q0 (Output 0)
  14. Q1 (Output 1)
  15. Q2 (Output 2)
  16. Q3 (Output 3)
  17. Q4 (Output 4)
  18. Q5 (Output 5)
  19. Q6 (Output 6)
  20. Q7 (Output 7)

Functional Features

The 74VHCT573AN offers the following functional features:

  • Transparent latch operation: Allows data to be stored and transferred while the latch is enabled.
  • 3-state outputs: Provides the ability to disconnect the outputs from the bus, allowing multiple devices to share the same bus without interference.
  • Gated latch enable: Enables or disables the latch operation based on the state of the G pin.
  • Latch enable: Controls the storage and transfer of data when enabled.
  • Output enable: Enables or disables the outputs, allowing for control over when the stored data is presented on the outputs.

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data transfer.
  • Low power consumption makes it suitable for battery-powered applications.
  • Wide operating voltage range provides flexibility in various electronic systems.
  • 3-state outputs allow for bus sharing and reduce interference.

Disadvantages

  • Limited output drive capability may restrict its use in certain applications requiring higher current sourcing/sinking.
  • Propagation delay time may affect timing-sensitive applications.

Working Principles

The 74VHCT573AN operates based on the principles of digital logic. When the latch enable (LE) input is high, the data inputs (D0-D7) are latched and stored. The stored data can then be transferred to the outputs (Q0-Q7) when the latch is enabled. The output enable (OE) input controls whether the stored data is presented on the outputs or not.

Detailed Application Field Plans

The 74VHCT573AN finds applications in various fields, including but not limited to:

  1. Microcontrollers: Used for interfacing with external devices and storing temporary data.
  2. Communication systems: Facilitates data transfer between different components.
  3. Industrial automation: Enables control and monitoring of processes by storing and transferring data.
  4. Automotive electronics: Used in vehicle control systems for data storage and transfer.
  5. Consumer electronics: Incorporated into devices like gaming consoles, set-top boxes, etc., for data handling.

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74VHCT573AN. Some notable alternatives

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 74VHCT573AN i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of 74VHCT573AN in technical solutions:

  1. Q: What is the 74VHCT573AN? A: The 74VHCT573AN is an octal transparent latch with 3-state outputs, commonly used in digital circuits.

  2. Q: What is the purpose of the 74VHCT573AN? A: The purpose of this IC is to store and control the flow of data in a digital system by latching input signals and providing output signals.

  3. Q: How many bits can the 74VHCT573AN latch? A: The 74VHCT573AN can latch 8 bits of data, as it is an octal latch.

  4. Q: What is the voltage range supported by the 74VHCT573AN? A: The 74VHCT573AN supports a wide voltage range of 2V to 5.5V, making it compatible with various digital systems.

  5. Q: Can the 74VHCT573AN be used for bidirectional data transfer? A: No, the 74VHCT573AN is unidirectional and can only latch data in one direction.

  6. Q: How does the 3-state output feature work in the 74VHCT573AN? A: The 3-state output allows the outputs of the latch to be disabled, effectively disconnecting them from the rest of the circuit.

  7. Q: What is the maximum operating frequency of the 74VHCT573AN? A: The maximum operating frequency of the 74VHCT573AN is typically around 100 MHz, but it can vary depending on the specific conditions.

  8. Q: Can the 74VHCT573AN be cascaded to increase the number of latched bits? A: Yes, multiple 74VHCT573AN ICs can be cascaded together to increase the number of latched bits in a system.

  9. Q: What is the power supply requirement for the 74VHCT573AN? A: The 74VHCT573AN requires a single power supply voltage of 2V to 5.5V.

  10. Q: Are there any specific precautions to consider when using the 74VHCT573AN? A: It is important to ensure proper decoupling and bypass capacitors are used near the power supply pins to minimize noise and voltage fluctuations. Additionally, care should be taken to avoid exceeding the maximum ratings specified in the datasheet to prevent damage to the IC.