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74AC299TTR

Encyclopedia Entry: 74AC299TTR

Product Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Data Storage and Transfer
  • Characteristics: High-Speed, Low-Power Consumption
  • Package: TSSOP-20
  • Essence: 8-Bit Universal Shift/Storage Register
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The 74AC299TTR is an 8-bit universal shift/storage register integrated circuit. It operates on a wide supply voltage range of 2V to 6V, making it suitable for various applications. This IC offers high-speed data transfer capabilities with low power consumption, making it ideal for use in battery-powered devices.

Detailed Pin Configuration

The 74AC299TTR features a TSSOP-20 package with the following pin configuration:

  1. CP (Clock Pulse) - Clock input for shifting or storage operations.
  2. DS (Serial Data) - Serial data input for shifting.
  3. SH/LD (Shift/Load) - Shift/Load control input.
  4. OE (Output Enable) - Output enable control input.
  5. QH' to QH7' (Parallel Outputs) - Complementary parallel outputs.
  6. GND (Ground) - Ground reference.
  7. QH0 to QH7 (Parallel Outputs) - Parallel outputs.
  8. SER (Serial Input) - Serial data input for loading.
  9. MR (Master Reset) - Master reset input.
  10. VCC (Supply Voltage) - Positive supply voltage.

Functional Features

The 74AC299TTR offers the following functional features:

  • Universal Shift/Storage Register: Supports both serial and parallel data transfer modes.
  • High-Speed Operation: Enables fast data transfer rates.
  • Low Power Consumption: Suitable for battery-powered devices.
  • Output Enable Control: Allows for easy control of output states.
  • Master Reset Function: Resets the register to its initial state.

Advantages and Disadvantages

Advantages: - Versatile functionality with support for both serial and parallel data transfer modes. - High-speed operation enables efficient data processing. - Low power consumption makes it suitable for portable devices.

Disadvantages: - Limited number of parallel outputs (8 bits). - Requires careful handling due to its small package size.

Working Principles

The 74AC299TTR operates based on the principles of shift registers. It can perform both serial and parallel data transfer operations. The clock pulse input controls the shifting or storage of data, while the shift/load control input determines the mode of operation. The IC utilizes flip-flops to store and transfer data, ensuring reliable and accurate data processing.

Detailed Application Field Plans

The 74AC299TTR finds applications in various fields, including:

  1. Communication Systems: Used for data buffering and synchronization.
  2. Industrial Automation: Enables data storage and transfer in control systems.
  3. Consumer Electronics: Utilized in devices requiring high-speed data processing.
  4. Automotive Electronics: Supports data transfer in automotive control units.
  5. Medical Devices: Used for data storage and retrieval in medical equipment.

Detailed and Complete Alternative Models

Alternative models that offer similar functionality to the 74AC299TTR include:

  1. 74HC299: High-Speed CMOS Logic 8-Bit Universal Shift/Storage Register.
  2. CD4021B: CMOS 8-Stage Static Shift Register.
  3. SN74LS299: 8-Bit Universal Shift/Storage Register with 3-State Outputs.

These alternative models provide comparable features and can be considered as substitutes for the 74AC299TTR in various applications.


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10 pirs û bersivên hevpar ên têkildarî sepana 74AC299TTR di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of 74AC299TTR in technical solutions:

  1. Q: What is the 74AC299TTR? A: The 74AC299TTR is a 8-bit universal shift/storage register with three-state outputs, commonly used in digital circuits.

  2. Q: What are the key features of the 74AC299TTR? A: The key features include 8-bit parallel input/output, serial input/output, three-state outputs, and asynchronous master reset.

  3. Q: How can the 74AC299TTR be used in technical solutions? A: It can be used for data storage, data shifting, serial-to-parallel or parallel-to-serial conversion, and interfacing between different logic families.

  4. Q: What is the maximum clock frequency supported by the 74AC299TTR? A: The maximum clock frequency supported is typically around 200 MHz.

  5. Q: Can the 74AC299TTR operate at different voltage levels? A: Yes, it can operate at a wide range of voltage levels, typically from 2V to 6V.

  6. Q: How many control inputs does the 74AC299TTR have? A: It has four control inputs - Clock (CLK), Shift/Load (S/L), Output Enable (OE), and Master Reset (MR).

  7. Q: What is the purpose of the Shift/Load (S/L) input? A: The S/L input determines whether the data is being shifted or loaded into the register.

  8. Q: How does the Output Enable (OE) input work? A: When OE is high, the outputs are enabled and reflect the data stored in the register. When OE is low, the outputs are in a high-impedance state.

  9. Q: Can multiple 74AC299TTR chips be cascaded together? A: Yes, multiple chips can be cascaded to increase the number of bits or create larger shift registers.

  10. Q: Are there any specific precautions to consider when using the 74AC299TTR? A: It is important to ensure proper power supply decoupling and avoid exceeding the maximum voltage and current ratings specified in the datasheet.

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