Texas Instruments
Bild kan vara representation.
Se specifikationer för produktinformation.
SN74AHCT573PWG4
Visa detalj Datablad

SN74AHCT573PWG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Octal Transparent D-Type 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: TSSOP-20
  • Essence: The SN74AHCT573PWG4 is a latch IC that can store and output data in an octal format. It is commonly used in digital systems where multiple bits of data need to be stored and transferred simultaneously.
  • Packaging/Quantity: The SN74AHCT573PWG4 is typically sold in reels or tubes, with a quantity of 2500 units per reel.

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 Drive Capability: ±24mA at 5V
  • Propagation Delay Time: 6ns (typical)

Detailed Pin Configuration

The SN74AHCT573PWG4 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: Power supply

Functional Features

  • Octal transparent latch with 3-state outputs
  • Data inputs are latched when the latch enable (LE) signal is high
  • Outputs can be enabled or disabled using the output enable (OE) signal
  • High-speed operation suitable for bus-oriented applications
  • Low power consumption makes it ideal for portable devices

Advantages and Disadvantages

Advantages: - High-speed CMOS technology allows for fast data transfer - Wide operating voltage range provides flexibility in various applications - 3-state outputs enable easy interfacing with other devices - Low power consumption helps conserve energy in battery-powered systems

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Propagation delay time may introduce timing issues in certain scenarios

Working Principles

The SN74AHCT573PWG4 operates as an octal transparent latch, meaning that the data inputs are directly transferred to the outputs when the latch enable (LE) signal is high. The latch holds the data until a new value is presented at the inputs.

The output enable (OE) signal controls whether the outputs are active or in a high-impedance state. When OE is low, the outputs are enabled and reflect the current values stored in the latch. When OE is high, the outputs are disabled and enter a high-impedance state, allowing other devices to drive the bus.

Detailed Application Field Plans

The SN74AHCT573PWG4 finds applications in various digital systems where multiple bits of data need to be stored and transferred simultaneously. Some common application fields include:

  1. Microprocessors and microcontrollers
  2. Data storage systems
  3. Communication equipment
  4. Industrial automation
  5. Automotive electronics

Detailed and Complete Alternative Models

  • SN74AHCT573N: DIP-20 package, through-hole mounting
  • SN74AHCT573DWR: SOIC-20 package, surface-mount technology
  • SN74AHCT573PWR: TSSOP-20 package, surface-mount technology
  • SN74AHCT573DBR: SSOP-20 package, surface-mount technology
  • SN74AHCT573RGYR: VQFN-20 package, leadless chip carrier

These alternative models offer similar functionality to the SN74AHCT573PWG4 but may differ in package type or other minor specifications.

Word count: 505 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74AHCT573PWG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74AHCT573PWG4 in technical solutions:

  1. Q: What is the SN74AHCT573PWG4? A: The SN74AHCT573PWG4 is a octal transparent D-type latch with 3-state outputs, commonly used in digital systems.

  2. Q: What is the purpose of the SN74AHCT573PWG4? A: It is used to store and control the flow of data in digital circuits, allowing for efficient data transfer and storage.

  3. Q: How many bits can the SN74AHCT573PWG4 handle? A: It can handle 8 bits of data, as it is an octal latch.

  4. Q: What is the voltage range supported by the SN74AHCT573PWG4? A: It supports a wide voltage range from 2V to 5.5V, making it compatible with various digital systems.

  5. Q: Can the SN74AHCT573PWG4 be used in both input and output applications? A: Yes, it can be used as both an input and output device, depending on the specific requirements of the circuit.

  6. Q: How does the 3-state output feature of the SN74AHCT573PWG4 work? A: The 3-state output allows the outputs to be either high, low, or in a high-impedance state, enabling multiple devices to share a common bus.

  7. Q: What is the maximum operating frequency of the SN74AHCT573PWG4? A: The maximum operating frequency is typically around 100 MHz, but it may vary depending on the specific conditions and setup.

  8. Q: Can the SN74AHCT573PWG4 be cascaded to handle more than 8 bits of data? A: Yes, multiple SN74AHCT573PWG4 latches can be cascaded together to handle larger data sizes.

  9. Q: What are some common applications of the SN74AHCT573PWG4? A: It is commonly used in microprocessors, memory systems, data buses, and other digital systems where data storage and control are required.

  10. Q: Is the SN74AHCT573PWG4 available in different package options? A: Yes, it is available in various package options, including the PWG4 package, which is a TSSOP-20 package with a PowerPAD thermal pad.

Please note that these answers are general and may vary depending on the specific requirements and use cases.