Texas Instruments
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CY74FCT543ATSOCT
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CY74FCT543ATSOCT

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics:
    • High-speed operation
    • Low power consumption
    • Wide voltage range compatibility
    • Bidirectional translation capability
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Logic level translation between different voltage domains
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage Range: 2.0V to 5.5V
  • Input Voltage Range (A Port): 0V to VCC_A
  • Input Voltage Range (B Port): 0V to VCC_B
  • Output Voltage Range (A Port): 0V to VCC_A
  • Output Voltage Range (B Port): 0V to VCC_B
  • Maximum Operating Frequency: 100MHz
  • Propagation Delay Time: 3.5ns (typical)

Detailed Pin Configuration

The CY74FCT543ATSOCT IC has a total of 20 pins, which are assigned as follows:

  1. OE (Output Enable) A
  2. A0 (Data Input/Output) A
  3. A1 (Data Input/Output) A
  4. A2 (Data Input/Output) A
  5. A3 (Data Input/Output) A
  6. A4 (Data Input/Output) A
  7. GND (Ground)
  8. B4 (Data Input/Output) B
  9. B3 (Data Input/Output) B
  10. B2 (Data Input/Output) B
  11. B1 (Data Input/Output) B
  12. B0 (Data Input/Output) B
  13. VCC_B (Supply Voltage) B
  14. OE (Output Enable) B
  15. A5 (Data Input/Output) A
  16. A6 (Data Input/Output) A
  17. A7 (Data Input/Output) A
  18. A8 (Data Input/Output) A
  19. VCC_A (Supply Voltage) A
  20. GND (Ground)

Functional Features

  • Bidirectional voltage level translation between two independent voltage domains
  • Allows interfacing between devices operating at different voltage levels
  • Supports high-speed data transmission up to 100MHz
  • Low power consumption makes it suitable for battery-powered applications
  • Provides a wide voltage range compatibility, enabling versatile usage scenarios

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data transfer
  • Low power consumption extends battery life in portable devices
  • Wide voltage range compatibility enables flexible integration with various systems
  • Bidirectional translation capability simplifies circuit design

Disadvantages

  • Propagation delay time may limit performance in certain time-critical applications
  • Limited number of input/output pins may restrict the complexity of designs

Working Principles

The CY74FCT543ATSOCT is designed to translate logic levels between two different voltage domains. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage level translation. The IC operates by monitoring the input signals and translating them to the appropriate voltage levels based on the supply voltages provided.

Detailed Application Field Plans

The CY74FCT543ATSOCT is commonly used in various applications where logic level translation is required. Some of the typical application fields include:

  1. Microcontroller interfacing with different voltage peripherals
  2. Communication interfaces between devices operating at different voltage levels
  3. Sensor networks requiring voltage level adaptation
  4. Battery-powered systems with multiple voltage domains
  5. Industrial automation and control systems

Detailed and Complete Alternative Models

  1. SN74LVC4245A: Octal Bus Transceiver with Voltage Level Translation
  2. TXB0108: 8-Bit Bidirectional Voltage-Level Translator
  3. PCA9306: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
  4. CD4050B: Hex Non-Inverting Buffer/Converter

These alternative models offer similar functionality and can be considered as alternatives to the CY74FCT543ATSOCT, depending on specific requirements and design constraints.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van CY74FCT543ATSOCT in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of CY74FCT543ATSOCT in technical solutions:

  1. Question: What is the function of CY74FCT543ATSOCT?
    Answer: CY74FCT543ATSOCT is an octal transparent latch with 3-state outputs, commonly used for data storage and transfer in digital systems.

  2. Question: What is the operating voltage range for CY74FCT543ATSOCT?
    Answer: The operating voltage range for CY74FCT543ATSOCT is typically between 4.5V and 5.5V.

  3. Question: How many inputs and outputs does CY74FCT543ATSOCT have?
    Answer: CY74FCT543ATSOCT has 8 inputs (D0-D7) and 8 outputs (Q0-Q7).

  4. Question: Can CY74FCT543ATSOCT be used for bidirectional data transfer?
    Answer: No, CY74FCT543ATSOCT is a unidirectional latch and can only transfer data from inputs to outputs.

  5. Question: What is the maximum data transfer rate supported by CY74FCT543ATSOCT?
    Answer: CY74FCT543ATSOCT supports high-speed operation with a maximum data transfer rate of up to 250MHz.

  6. Question: Does CY74FCT543ATSOCT have any built-in output enable functionality?
    Answer: Yes, CY74FCT543ATSOCT has an active-low output enable (OE) pin that can be used to enable or disable the outputs.

  7. Question: Can CY74FCT543ATSOCT drive multiple loads simultaneously?
    Answer: Yes, CY74FCT543ATSOCT has 3-state outputs that can drive multiple loads without causing contention.

  8. Question: What is the typical propagation delay of CY74FCT543ATSOCT?
    Answer: The typical propagation delay of CY74FCT543ATSOCT is around 4.5ns.

  9. Question: Can CY74FCT543ATSOCT be cascaded to increase the number of latches?
    Answer: Yes, multiple CY74FCT543ATSOCT latches can be cascaded together to increase the number of latches in a system.

  10. Question: Is CY74FCT543ATSOCT compatible with other logic families?
    Answer: Yes, CY74FCT543ATSOCT is designed to be compatible with TTL and CMOS logic families, making it versatile for various applications.

Please note that these answers are general and may vary depending on the specific implementation and datasheet of CY74FCT543ATSOCT.