ON Semiconductor
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74F543SPC
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74F543SPC

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic
  • Characteristics: High-speed, Octal D-type Transparent Latch with 3-State Outputs
  • Package: 20-pin Plastic Small Outline (SO) package
  • Essence: The 74F543SPC is a latch IC that can store and output digital data. It is designed for high-speed applications and offers 3-state outputs for bus-oriented systems.
  • Packaging/Quantity: Available in reels of 2500 units.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: 6ns (typical)
  • Output Current: ±24mA

Detailed Pin Configuration

The 74F543SPC has a total of 20 pins. 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. 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
  • High-speed operation suitable for bus-oriented systems
  • Latch enable and output enable control signals for flexible data storage and output
  • 3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation makes it suitable for time-critical applications - 3-state outputs enable efficient bus sharing - Flexible latch and output enable control signals provide versatility in data storage and output

Disadvantages: - Limited voltage range (4.5V to 5.5V) - Not suitable for extreme temperature environments

Working Principles

The 74F543SPC operates as an octal D-type transparent latch. It stores digital data on its inputs and latches the data when the latch enable (LE) signal is active. The stored data can be outputted through the 3-state outputs when the output enable (OE) signal is active. This IC is designed for high-speed operation, making it suitable for applications that require quick data storage and retrieval.

Detailed Application Field Plans

The 74F543SPC can be used in various applications, including:

  1. Data communication systems
  2. Microprocessor-based systems
  3. Industrial control systems
  4. Automotive electronics
  5. Telecommunications equipment

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality:

  1. SN74LS373 - Octal D-type Transparent Latch with 3-State Outputs
  2. CD74HC573 - High-Speed CMOS Logic Octal Transparent Latch with 3-State Outputs
  3. MC74ACT573 - Octal D-Type Latch with 3-State Outputs

These alternative models can be considered based on specific requirements and compatibility with the existing system.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74F543SPC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of 74F543SPC in technical solutions:

  1. Q: What is the 74F543SPC? A: The 74F543SPC is a type of integrated circuit (IC) commonly used as an octal transceiver with tri-state outputs.

  2. Q: What is the purpose of the 74F543SPC? A: The 74F543SPC is designed to facilitate bidirectional data transfer between two buses or systems.

  3. Q: What voltage levels does the 74F543SPC support? A: The 74F543SPC typically supports voltage levels of 5V, making it compatible with many standard digital logic circuits.

  4. Q: How many data lines can the 74F543SPC handle? A: The 74F543SPC has eight bidirectional data lines, allowing for parallel data transfer.

  5. Q: Can the 74F543SPC be used in both synchronous and asynchronous applications? A: Yes, the 74F543SPC can be used in both synchronous and asynchronous applications depending on the specific requirements.

  6. Q: What is the maximum frequency at which the 74F543SPC can operate? A: The maximum operating frequency of the 74F543SPC is typically around 100 MHz.

  7. Q: Does the 74F543SPC have built-in protection against bus contention? A: Yes, the 74F543SPC includes built-in bus-hold circuitry to prevent bus contention issues.

  8. Q: Can the 74F543SPC drive long transmission lines? A: The 74F543SPC has limited driving capabilities, so it may not be suitable for driving long transmission lines without additional buffering.

  9. Q: Are there any special considerations when using the 74F543SPC in high-speed applications? A: Yes, in high-speed applications, it is important to pay attention to signal integrity, termination, and noise considerations to ensure reliable operation.

  10. Q: Can the 74F543SPC be cascaded or used in conjunction with other ICs? A: Yes, multiple 74F543SPC ICs can be cascaded together to increase the number of data lines or used in conjunction with other ICs to build more complex systems.

Please note that the specific details and answers may vary depending on the datasheet and manufacturer's specifications of the 74F543SPC.