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SN74AHCT573NG4
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SN74AHCT573NG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Octal D-type transparent latch with 3-state outputs
  • Characteristics:
    • High-speed CMOS technology
    • Low power consumption
    • Wide operating voltage range
    • 3-state outputs for bus-oriented applications
  • Package: 20-pin PDIP (Plastic Dual In-Line Package)
  • Essence: The SN74AHCT573NG4 is a versatile latch IC that can be used in various digital applications requiring data storage and output control.
  • Packaging/Quantity: Available in reels of 2500 units.

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
  • Input Capacitance: 3pF
  • Output Capacitance: 6pF
  • Propagation Delay Time: 7ns (typical)
  • Output Current: ±8mA

Pin Configuration

The SN74AHCT573NG4 has a total of 20 pins, which are assigned specific functions 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. OE: Output enable
  11. LE: Latch enable
  12. Q0: Output 0
  13. Q1: Output 1
  14. Q2: Output 2
  15. Q3: Output 3
  16. Q4: Output 4
  17. Q5: Output 5
  18. Q6: Output 6
  19. Q7: Output 7
  20. VCC: Supply voltage

Functional Features

  • Octal D-type transparent latch with 3-state outputs
  • Latch enable (LE) and output enable (OE) control inputs
  • Data inputs (D0-D7) for storing information
  • 3-state outputs (Q0-Q7) for bus-oriented applications
  • High-speed operation with low power consumption
  • Wide operating voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed CMOS technology enables fast data processing. - Low power consumption helps in energy-efficient designs. - 3-state outputs allow multiple devices to share a common bus. - Wide operating voltage range ensures compatibility with different systems.

Disadvantages: - Limited number of latch outputs (8 in this case). - Not suitable for applications requiring more than 8 bits of data storage.

Working Principles

The SN74AHCT573NG4 operates as an octal D-type transparent latch. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the latch outputs (Q0-Q7). The output enable (OE) input controls whether the latch outputs are active or in a high-impedance state. This feature allows multiple devices to share a common bus without interfering with each other's outputs.

Detailed Application Field Plans

The SN74AHCT573NG4 can be used in various digital systems and applications, including but not limited to:

  1. Microprocessor-based systems
  2. Data storage and retrieval systems
  3. Address decoding circuits
  4. Bus-oriented architectures
  5. Industrial control systems
  6. Communication equipment
  7. Test and measurement instruments

Detailed and Complete Alternative Models

  1. SN74AHCT573D: 20-pin SOIC (Small Outline Integrated Circuit) package
  2. MC74ACT573N: 20-pin PDIP package with similar specifications
  3. CD74HCT573E: 20-pin DIP (Dual In-Line Package) package with different characteristics

These alternative models offer similar functionality and can be used as replacements for the SN74AHCT573NG4 in various applications.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SN74AHCT573NG4 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of SN74AHCT573NG4 in technical solutions:

  1. Q: What is SN74AHCT573NG4? A: SN74AHCT573NG4 is a type of octal transparent D-type latch with 3-state outputs, commonly used in digital systems.

  2. Q: What is the purpose of SN74AHCT573NG4? A: SN74AHCT573NG4 is used to store and control the flow of data in digital circuits, allowing for efficient data transfer between different components.

  3. Q: How many bits can SN74AHCT573NG4 handle? A: SN74AHCT573NG4 can handle 8 bits of data, as it is an octal latch.

  4. Q: What is the voltage range supported by SN74AHCT573NG4? A: SN74AHCT573NG4 supports a voltage range of 4.5V to 5.5V, making it compatible with most standard digital systems.

  5. Q: Can SN74AHCT573NG4 be used for bidirectional data transfer? A: No, SN74AHCT573NG4 is unidirectional and can only transfer data in one direction.

  6. Q: How does SN74AHCT573NG4 handle input and output signals? A: SN74AHCT573NG4 has separate input and output pins, allowing for easy connection to other components in the system.

  7. Q: Does SN74AHCT573NG4 have any built-in protection features? A: Yes, SN74AHCT573NG4 has built-in ESD (electrostatic discharge) protection, which helps safeguard against damage from static electricity.

  8. Q: Can SN74AHCT573NG4 be cascaded to handle more than 8 bits of data? A: Yes, multiple SN74AHCT573NG4 latches can be cascaded together to handle larger data sizes.

  9. Q: What is the maximum operating frequency of SN74AHCT573NG4? A: SN74AHCT573NG4 has a maximum operating frequency of around 100 MHz, making it suitable for many digital applications.

  10. Q: Are there any specific application notes or reference designs available for SN74AHCT573NG4? A: Yes, Texas Instruments provides application notes and reference designs that can help in implementing SN74AHCT573NG4 in various technical solutions.

Please note that these answers are general and may vary depending on the specific requirements and use cases. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.