ON Semiconductor
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MM74HCT573N
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MM74HCT573N

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Octal D-type transparent latch with 3-state outputs
  • Characteristics:
    • High-speed operation
    • 3-state outputs for bus-oriented applications
    • Common clock and output enable inputs
    • Buffered inputs
    • Balanced propagation delays
    • Wide operating voltage range: 2V to 6V
  • Package: DIP-20 (Dual In-line Package with 20 pins)
  • Essence: The MM74HCT573N is a versatile latch IC that can be used in various digital applications requiring high-speed operation and 3-state outputs.
  • Packaging/Quantity: The MM74HCT573N is typically sold in packs of 10 or 25.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 13ns (max) at 5V supply voltage
  • Output Current: ±6mA (max)

Detailed Pin Configuration

The MM74HCT573N has a total of 20 pins, which are assigned specific functions. Here is the detailed pin configuration:

  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. OE (Output Enable)
  11. LE (Latch Enable)
  12. CP (Clock Pulse)
  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

  • Octal D-type transparent latch with 3-state outputs
  • Common clock and output enable inputs for easy control
  • Buffered inputs for improved signal integrity
  • Balanced propagation delays ensure reliable operation in synchronous systems
  • Wide operating voltage range allows compatibility with various power supply levels

Advantages and Disadvantages

Advantages: - High-speed operation suitable for time-critical applications - 3-state outputs facilitate bus-oriented designs - Versatile latch IC with multiple applications - Buffered inputs enhance signal quality - Wide operating voltage range provides flexibility

Disadvantages: - Limited output current capacity - Requires external clock and enable signals for proper operation - Not suitable for low-power applications due to higher power consumption compared to some alternatives

Working Principles

The MM74HCT573N operates as an octal D-type transparent latch with 3-state outputs. It latches the input data when the latch enable (LE) signal is high and transfers the latched data to the outputs when the output enable (OE) signal is also high. The latch is transparent when the latch enable signal is low, allowing the input data to pass through to the outputs.

Detailed Application Field Plans

The MM74HCT573N can be used in various digital systems and applications, including but not limited to: - Data storage and transfer in microcontrollers and microprocessors - Address decoding in memory systems - Bus interface in communication protocols - Control signal handling in industrial automation - Register storage and retrieval in digital circuits

Detailed and Complete Alternative Models

If the MM74HCT573N is not available or does not meet specific requirements, alternative latch ICs can be considered. Some popular alternatives to the MM74HCT573N include: - SN74HC573N - CD74HCT573E - 74HCT573D - MC74HCT573AN

These alternatives offer similar functionality and characteristics, making them suitable replacements for the MM74HCT573N in various applications.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MM74HCT573N у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of MM74HCT573N in technical solutions:

  1. Q: What is MM74HCT573N? A: MM74HCT573N is a type of octal transparent latch with 3-state outputs, commonly used in digital systems.

  2. Q: What is the purpose of MM74HCT573N? A: The purpose of MM74HCT573N is to store and control the flow of data in a digital system.

  3. Q: How many bits can MM74HCT573N store? A: MM74HCT573N can store 8 bits of data, as it is an octal latch.

  4. Q: What is the voltage range supported by MM74HCT573N? A: MM74HCT573N supports a voltage range of 2V to 6V.

  5. Q: Can MM74HCT573N be used for bidirectional data transfer? A: No, MM74HCT573N is unidirectional and can only transfer data from input to output.

  6. Q: How does MM74HCT573N handle multiple inputs? A: MM74HCT573N has separate inputs for each bit, allowing individual control over each latch.

  7. Q: What is the maximum frequency at which MM74HCT573N can operate? A: MM74HCT573N can operate at a maximum frequency of 25 MHz.

  8. Q: Can MM74HCT573N drive LEDs or other low-power devices directly? A: Yes, MM74HCT573N can drive low-power devices directly as it has 3-state outputs.

  9. Q: Is MM74HCT573N compatible with TTL logic levels? A: Yes, MM74HCT573N is compatible with both CMOS and TTL logic levels.

  10. Q: What are some common applications of MM74HCT573N? A: MM74HCT573N is commonly used in microcontrollers, memory systems, data buses, and general-purpose digital systems.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.