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74FCT543ATQG8
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Encyclopedia Entry: 74FCT543ATQG8

Product Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Data Storage and Transfer
  • Characteristics: High-speed, Octal Transparent Latch with Tri-State Outputs
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: The 74FCT543ATQG8 is a high-performance latch IC designed for data storage and transfer applications. It offers eight transparent latches with tri-state outputs, making it suitable for various digital systems.
  • Packaging/Quantity: The 74FCT543ATQG8 is typically available in reels or tubes, containing a specific quantity of ICs per package.

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
  • Latch Type: Transparent
  • Number of Latches: 8
  • Output Type: Tri-State
  • Propagation Delay: 3.5ns (typical)
  • Output Current: ±12mA
  • Package Type: TSSOP-20

Detailed Pin Configuration

The 74FCT543ATQG8 has a total of 20 pins, which are assigned 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

  • Transparent Latching: The 74FCT543ATQG8 allows data to pass through the inputs to the outputs when the latch enable (LE) signal is high.
  • Tri-State Outputs: The tri-state outputs provide an additional control signal (output enable - OE) to disable the outputs, allowing multiple devices to share a common bus without interference.
  • High-Speed Operation: With a typical propagation delay of 3.5ns, this IC ensures efficient data transfer in time-critical applications.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data transfer. - Tri-state outputs allow for bus sharing and reduce interference. - Transparent latching simplifies data storage and transfer processes.

Disadvantages: - Limited number of latches (8) may not be sufficient for certain applications requiring more data storage.

Working Principles

The 74FCT543ATQG8 operates based on transparent latching principles. When the latch enable (LE) signal is high, the data inputs (D0-D7) are transferred to the corresponding outputs (Q0-Q7). The tri-state outputs can be enabled or disabled using the output enable (OE) signal. This IC is designed to operate within specified voltage ranges and temperature conditions.

Detailed Application Field Plans

The 74FCT543ATQG8 finds applications in various digital systems, including but not limited to: - Data storage and transfer systems - Microprocessors and microcontrollers - Communication devices - Networking equipment - Industrial automation systems

Detailed and Complete Alternative Models

  1. 74FCT543ATQG
  2. 74ACT543SCX
  3. SN74FCT543ADW
  4. CD54FCT543A

These alternative models offer similar functionality and can be considered as replacements for the 74FCT543ATQG8 in different applications.

Word Count: 346 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 74FCT543ATQG8 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of 74FCT543ATQG8 in technical solutions:

  1. Q: What is the function of the 74FCT543ATQG8? A: The 74FCT543ATQG8 is an octal transparent latch with 3-state outputs. It can be used for data storage and transfer in digital circuits.

  2. Q: What is the maximum operating voltage for the 74FCT543ATQG8? A: The maximum operating voltage for the 74FCT543ATQG8 is typically 5.5V.

  3. Q: Can the 74FCT543ATQG8 handle both input and output signals? A: Yes, the 74FCT543ATQG8 can handle both input and output signals. It has separate pins for inputs and outputs.

  4. Q: How many latch enable inputs does the 74FCT543ATQG8 have? A: The 74FCT543ATQG8 has two latch enable inputs, LE (Latch Enable) and OE (Output Enable).

  5. Q: What is the purpose of the latch enable inputs? A: The LE (Latch Enable) input is used to control the latching of data into the latch, while the OE (Output Enable) input is used to control the output buffers.

  6. Q: What is the maximum data transfer rate supported by the 74FCT543ATQG8? A: The maximum data transfer rate supported by the 74FCT543ATQG8 is typically around 200 MHz.

  7. Q: Can the 74FCT543ATQG8 be cascaded to increase the number of latches? A: Yes, multiple 74FCT543ATQG8 latches can be cascaded together to increase the number of latches in a circuit.

  8. Q: Does the 74FCT543ATQG8 have internal pull-up or pull-down resistors? A: No, the 74FCT543ATQG8 does not have internal pull-up or pull-down resistors. External resistors may be required for proper signal conditioning.

  9. Q: What is the power supply voltage range for the 74FCT543ATQG8? A: The power supply voltage range for the 74FCT543ATQG8 is typically between 4.5V and 5.5V.

  10. Q: Can the 74FCT543ATQG8 be used in both commercial and industrial applications? A: Yes, the 74FCT543ATQG8 is suitable for use in both commercial and industrial applications due to its wide operating temperature range and robust design.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74FCT543ATQG8.