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CY74FCT646CTSOC

CY74FCT646CTSOC

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Data Bus Transceiver
  • Characteristics:
    • High-speed operation
    • Bidirectional data transfer
    • Voltage level translation
    • 3-state outputs
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Transceiver IC for data bus communication
  • Packaging/Quantity: Typically sold in reels of 2500 units

Specifications

  • Supply Voltage: 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
  • Maximum Propagation Delay: 6ns
  • Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

The CY74FCT646CTSOC has a total of 20 pins, which are assigned as follows:

  1. OE (Output Enable) - Output control pin
  2. A1-A8 (Data Bus A) - Input/output pins for data bus A
  3. B1-B8 (Data Bus B) - Input/output pins for data bus B
  4. DIR (Direction Control) - Direction control pin
  5. GND (Ground) - Ground reference pin
  6. BDIR (Bus Direction) - Bus direction control pin
  7. VCC (Supply Voltage) - Power supply pin
  8. B1-B8 (Data Bus B) - Input/output pins for data bus B
  9. A1-A8 (Data Bus A) - Input/output pins for data bus A
  10. OE (Output Enable) - Output control pin

Functional Features

  • Bidirectional Data Transfer: Allows data to be transmitted and received on the same set of pins.
  • Voltage Level Translation: Enables interfacing between systems with different voltage levels.
  • 3-State Outputs: Provides the ability to disconnect the output from the bus, allowing multiple devices to share the same bus.
  • High-Speed Operation: Supports fast data transfer rates up to 100MHz.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Bidirectional data transfer simplifies system design. - Voltage level translation enables compatibility between different systems. - 3-state outputs facilitate bus sharing among multiple devices.

Disadvantages: - Limited operating temperature range (-40°C to +85°C). - Maximum propagation delay of 6ns may not be suitable for extremely time-critical applications.

Working Principles

The CY74FCT646CTSOC is a data bus transceiver that facilitates bidirectional communication between two data buses. It operates by enabling the appropriate direction control pin (DIR) to determine the flow of data. When DIR is set to logic high, data is transferred from bus A to bus B, and when DIR is set to logic low, data is transferred from bus B to bus A. The output enable pin (OE) controls the tri-state outputs, allowing the device to be disconnected from the bus when not in use.

Detailed Application Field Plans

The CY74FCT646CTSOC is commonly used in various applications, including: 1. Microprocessor-based systems 2. Data communication networks 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

Detailed and Complete Alternative Models

  1. SN74FCT646T: Similar data bus transceiver IC with 3-state outputs, available in TSSOP package.
  2. MC74FCT646N: Equivalent data bus transceiver IC with similar specifications, offered in DIP package.
  3. CD74FCT646M: Alternative data bus transceiver IC with extended temperature range, provided in SOIC package.

(Note: The above alternative models are just a few examples and not an exhaustive list.)

This encyclopedia entry provides an overview of the CY74FCT646CTSOC, a data bus transceiver IC. It includes basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ CY74FCT646CTSOC ในโซลูชันทางเทคนิค

Sure! Here are 10 common questions and answers related to the application of CY74FCT646CTSOC:

  1. Question: What is CY74FCT646CTSOC?
    - Answer: CY74FCT646CTSOC is a type of octal bus transceiver with 3-state outputs, commonly used in digital systems.

  2. Question: What is the operating voltage range for CY74FCT646CTSOC?
    - Answer: The operating voltage range for CY74FCT646CTSOC is typically between 4.5V and 5.5V.

  3. Question: How many input/output pins does CY74FCT646CTSOC have?
    - Answer: CY74FCT646CTSOC has 8 input pins and 8 output pins, making it an octal (8-bit) transceiver.

  4. Question: Can CY74FCT646CTSOC be used for bidirectional data transfer?
    - Answer: Yes, CY74FCT646CTSOC supports bidirectional data transfer, allowing data to be transmitted in both directions.

  5. Question: What is the maximum data transfer rate supported by CY74FCT646CTSOC?
    - Answer: CY74FCT646CTSOC can support data transfer rates up to 250MHz, making it suitable for high-speed applications.

  6. Question: Does CY74FCT646CTSOC have built-in protection against bus contention?
    - Answer: Yes, CY74FCT646CTSOC has built-in bus-hold circuitry that provides protection against bus contention during live insertion or removal from the bus.

  7. Question: Can CY74FCT646CTSOC be cascaded to increase the number of input/output lines?
    - Answer: Yes, multiple CY74FCT646CTSOC devices can be cascaded together to increase the number of input/output lines in a system.

  8. Question: What is the power supply current consumption of CY74FCT646CTSOC?
    - Answer: The power supply current consumption of CY74FCT646CTSOC is typically around 10mA, making it suitable for low-power applications.

  9. Question: Does CY74FCT646CTSOC have any special features for bus arbitration?
    - Answer: No, CY74FCT646CTSOC does not have built-in bus arbitration features. It is primarily designed for simple data transfer between two buses.

  10. Question: Can CY74FCT646CTSOC be used in both commercial and industrial temperature ranges?
    - Answer: Yes, CY74FCT646CTSOC is available in both commercial (0°C to 70°C) and industrial (-40°C to 85°C) temperature ranges, providing flexibility for various applications.