Texas Instruments
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SN74LS299DWR
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SN74LS299DWR

Product Overview

Category

SN74LS299DWR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital systems for data storage and transfer.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Compatibility with various logic families

Package

SN74LS299DWR is available in a 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74LS299DWR lies in its ability to store and transfer data efficiently within digital systems.

Packaging/Quantity

SN74LS299DWR is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer.

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Operating Temperature Range: -40°C to 85°C
  • Input/Output Compatibility: TTL (Transistor-Transistor Logic)
  • Maximum Clock Frequency: 33 MHz
  • Number of Storage Elements: 8 bits

Detailed Pin Configuration

  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. CP (Clock Pulse Input)
  11. DS (Serial Data Input)
  12. OE (Output Enable)
  13. MR (Master Reset)
  14. Q0 (Parallel Output 0)
  15. Q1 (Parallel Output 1)
  16. Q2 (Parallel Output 2)
  17. Q3 (Parallel Output 3)
  18. Q4 (Parallel Output 4)
  19. Q5 (Parallel Output 5)
  20. VCC (Supply Voltage)

Functional Features

  • Parallel-to-Serial Data Conversion
  • Serial-to-Parallel Data Conversion
  • Asynchronous Master Reset
  • Output Enable Control

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data transfer.
  • Low power consumption helps in reducing overall system energy requirements.
  • Wide operating voltage range ensures compatibility with various power supply configurations.
  • Compatibility with different logic families enables integration into diverse digital systems.

Disadvantages

  • Limited storage capacity of 8 bits may not be sufficient for certain applications requiring larger data storage.
  • The SOIC package may not be suitable for all system designs, especially those with space constraints.

Working Principles

SN74LS299DWR operates based on the principles of parallel-to-serial and serial-to-parallel data conversion. It receives parallel input data and converts it into a serial stream based on clock pulses. Similarly, it can also receive serial input data and convert it into parallel outputs based on clock pulses. The master reset feature allows for asynchronous clearing of the stored data, while the output enable control determines whether the parallel outputs are active or disabled.

Detailed Application Field Plans

SN74LS299DWR finds applications in various digital systems, including but not limited to: - Microcontrollers - Data communication devices - Memory modules - Industrial automation systems - Embedded systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74LS299DWR include: - 74HC299: This IC is compatible with CMOS logic families and offers higher speed operation. - CD4021B: This IC provides 8-bit parallel-in/serial-out shift register functionality. - 74F299: This IC offers faster operation and lower power consumption compared to SN74LS299DWR.

(Note: The above alternative models are provided for reference purposes and may have different pin configurations and specifications. It is recommended to refer to the respective datasheets for detailed information.)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74LS299DWR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74LS299DWR:

  1. Q: What is SN74LS299DWR? A: SN74LS299DWR is a 8-bit universal shift/storage register with 3-state outputs, commonly used in digital systems.

  2. Q: What is the operating voltage range for SN74LS299DWR? A: The operating voltage range for SN74LS299DWR is typically between 4.75V and 5.25V.

  3. Q: What is the maximum clock frequency supported by SN74LS299DWR? A: SN74LS299DWR can support clock frequencies up to 33 MHz.

  4. Q: How many data inputs does SN74LS299DWR have? A: SN74LS299DWR has 8 data inputs (D0-D7).

  5. Q: Can SN74LS299DWR be used as a parallel-to-serial converter? A: Yes, SN74LS299DWR can be used as a parallel-to-serial converter by connecting the parallel data inputs and using the serial output.

  6. Q: Does SN74LS299DWR have any built-in latches? A: Yes, SN74LS299DWR has 8 built-in D-type latches that can store data when the latch enable (LE) input is high.

  7. Q: How many 3-state outputs does SN74LS299DWR have? A: SN74LS299DWR has 8 3-state outputs (Q0-Q7) that can be enabled or disabled using the output enable (OE) input.

  8. Q: Can SN74LS299DWR be cascaded to increase the number of bits? A: Yes, SN74LS299DWR can be cascaded to increase the number of bits by connecting the serial output of one register to the serial input of another.

  9. Q: What is the typical power consumption of SN74LS299DWR? A: The typical power consumption of SN74LS299DWR is around 40mW.

  10. Q: What are some common applications of SN74LS299DWR? A: SN74LS299DWR is commonly used in applications such as data storage, parallel-to-serial conversion, shift registers, and serial data transmission.