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74AC299SC
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Encyclopedia Entry: 74AC299SC

Product Overview

Category

The 74AC299SC belongs to the category of integrated circuits (ICs), specifically a flip-flop register.

Use

This IC is commonly used in digital electronic systems for data storage and transfer operations.

Characteristics

  • The 74AC299SC is a 8-bit universal shift/storage register.
  • It operates on a supply voltage range of 2V to 6V.
  • This IC offers high-speed operation with a maximum clock frequency of 125 MHz.
  • It has a wide operating temperature range of -40°C to +85°C, making it suitable for various environments.

Package

The 74AC299SC is available in a 20-pin small-outline package (SOIC).

Essence

The essence of the 74AC299SC lies in its ability to store and shift data efficiently within digital systems.

Packaging/Quantity

This IC is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Supply Voltage Range: 2V to 6V
  • Maximum Clock Frequency: 125 MHz
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 20-pin SOIC

Detailed Pin Configuration

  1. Q0 (Output)
  2. Q1 (Output)
  3. Q2 (Output)
  4. Q3 (Output)
  5. Q4 (Output)
  6. Q5 (Output)
  7. Q6 (Output)
  8. Q7 (Output)
  9. GND (Ground)
  10. D0 (Data Input)
  11. D1 (Data Input)
  12. D2 (Data Input)
  13. D3 (Data Input)
  14. D4 (Data Input)
  15. D5 (Data Input)
  16. D6 (Data Input)
  17. D7 (Data Input)
  18. CP (Clock Pulse Input)
  19. MR (Master Reset Input)
  20. VCC (Supply Voltage)

Functional Features

  • The 74AC299SC can operate as a parallel load register or a serial shift register.
  • It offers synchronous data transfer, allowing for precise timing control.
  • This IC supports both parallel and serial data inputs, providing flexibility in data handling.
  • It features a master reset input for clearing the register to a known state.

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data processing.
  • Wide operating temperature range allows for versatile applications.
  • Synchronous data transfer ensures accurate timing control.
  • Supports both parallel and serial data inputs, enhancing flexibility.

Disadvantages

  • Limited number of output pins may restrict certain applications requiring more outputs.
  • Requires external clock pulse and master reset signals for proper operation.

Working Principles

The 74AC299SC operates based on the principles of flip-flops and shift registers. It utilizes clock pulses to synchronize data transfers and stores information in its internal memory elements. The master reset input allows for resetting the register to a predefined state when necessary.

Detailed Application Field Plans

The 74AC299SC finds applications in various digital systems, including but not limited to: - Data storage and retrieval systems - Serial-to-parallel and parallel-to-serial converters - Communication devices - Microcontrollers and microprocessors - Industrial automation systems

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to the 74AC299SC include: - 74HC299: A high-speed CMOS version with similar pin configuration and functionality. - CD74ACT299: An advanced CMOS version with improved power consumption characteristics. - SN74LS299: A low-power Schottky TTL version suitable for specific applications.

(Note: The above alternative models are provided for reference and may have slight variations in specifications and features.)

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技術ソリューションにおける 74AC299SC の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of 74AC299SC in technical solutions:

  1. Q: What is the purpose of the 74AC299SC?

    • A: The 74AC299SC is an 8-bit universal shift/storage register used for data storage, parallel-to-serial or serial-to-parallel conversion, and general-purpose shifting operations.

  2. Q: What is the maximum clock frequency supported by the 74AC299SC?

    • A: The 74AC299SC can operate at a maximum clock frequency of 125 MHz.

  3. Q: How many inputs and outputs does the 74AC299SC have?

    • A: The 74AC299SC has 8 inputs (D0-D7) and 8 outputs (Q0-Q7).

  4. Q: Can the 74AC299SC be cascaded to increase the number of bits?

    • A: Yes, multiple 74AC299SC registers can be cascaded together to increase the number of bits for larger data storage or shifting operations.

  5. Q: What is the power supply voltage range for the 74AC299SC?

    • A: The 74AC299SC operates with a power supply voltage range of 2V to 6V.

  6. Q: Does the 74AC299SC support tri-state outputs?

    • A: Yes, the 74AC299SC has tri-state outputs that allow for bus sharing and easy interfacing with other devices.

  7. Q: Can the 74AC299SC be used in both synchronous and asynchronous modes?

    • A: Yes, the 74AC299SC can be used in both synchronous and asynchronous modes depending on the application requirements.

  8. Q: What is the typical propagation delay of the 74AC299SC?

    • A: The typical propagation delay of the 74AC299SC is around 6 ns.

  9. Q: Does the 74AC299SC have any built-in error detection or correction features?

    • A: No, the 74AC299SC does not have any built-in error detection or correction features. It is a basic shift/storage register.

  10. Q: Can the 74AC299SC be used in high-speed data communication applications?

    • A: Yes, the 74AC299SC can be used in high-speed data communication applications where parallel-to-serial or serial-to-parallel conversion is required.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.