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SN74LS590DR
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SN74LS590DR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Shift Register
  • Characteristics: TTL Logic, 8-bit parallel-in/serial-out shift register
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Serial-to-parallel data conversion
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.75V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Input Voltage High Level (VIH): 2.0V min
  • Input Voltage Low Level (VIL): 0.8V max
  • Output Voltage High Level (VOH): 2.7V min
  • Output Voltage Low Level (VOL): 0.5V max
  • Maximum Clock Frequency: 30 MHz

Detailed Pin Configuration

  1. QA (Output A)
  2. QB (Output B)
  3. QC (Output C)
  4. QD (Output D)
  5. QE (Output E)
  6. QF (Output F)
  7. QG (Output G)
  8. QH (Output H)
  9. MR (Master Reset)
  10. CP (Clock Pulse)
  11. DS (Serial Data Input)
  12. OE (Output Enable)
  13. SER (Serial Data Output)
  14. QA' (Complement of Output A)
  15. QB' (Complement of Output B)
  16. VCC (Supply Voltage)
  17. GND (Ground)

Functional Features

  • 8-bit parallel-in/serial-out shift register
  • Serial data input with synchronous clocking
  • Master reset for clearing the register
  • Output enable control for tri-state outputs
  • Complementary outputs available for each bit

Advantages and Disadvantages

Advantages: - High-speed data transfer - Compact size and low power consumption - Easy integration into digital circuits - Complementary outputs for versatile applications

Disadvantages: - Limited number of bits (8-bit) - Requires external clock signal for operation

Working Principles

The SN74LS590DR is a TTL logic device that performs serial-to-parallel data conversion. It consists of an 8-bit shift register with parallel outputs. The shift register accepts serial data input and shifts it in synchronously with the clock pulse. The parallel outputs provide the converted data in parallel format. The master reset function allows clearing the register, while the output enable control enables or disables the outputs.

Detailed Application Field Plans

  1. Data communication systems
  2. Serial-to-parallel data conversion in microcontrollers
  3. Digital signal processing
  4. Industrial automation and control systems
  5. Test and measurement equipment

Detailed and Complete Alternative Models

  1. SN74HC595N: 8-bit serial-in/serial-out shift register
  2. CD4015BE: Dual 4-stage static shift register
  3. 74HC164N: 8-bit serial-in/parallel-out shift register
  4. CD4021BE: 8-bit parallel-in/serial-out shift register
  5. 74HCT299N: 8-bit universal shift/storage register

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

Word count: 320 words

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng SN74LS590DR trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of SN74LS590DR:

  1. Question: What is SN74LS590DR?
    - Answer: SN74LS590DR is a 8-bit synchronous binary counter with output registers. It is commonly used in digital circuits for counting and sequencing applications.

  2. Question: What is the operating voltage range of SN74LS590DR?
    - Answer: SN74LS590DR operates within a voltage range of 4.75V to 5.25V.

  3. Question: How many bits can SN74LS590DR count up to?
    - Answer: SN74LS590DR is an 8-bit counter, so it can count up to 256 (2^8) different states.

  4. Question: Can SN74LS590DR be cascaded to increase the number of bits?
    - Answer: Yes, SN74LS590DR can be cascaded with other counters to increase the number of bits and achieve larger counting ranges.

  5. Question: What is the clock input frequency range for SN74LS590DR?
    - Answer: The clock input frequency range for SN74LS590DR is typically between 0Hz and 25MHz.

  6. Question: Does SN74LS590DR have any asynchronous inputs?
    - Answer: No, SN74LS590DR does not have any asynchronous inputs. It is a synchronous counter.

  7. Question: What are the output pins of SN74LS590DR used for?
    - Answer: The output pins of SN74LS590DR are used to provide the current count value or to drive external circuitry based on the count value.

  8. Question: Can SN74LS590DR be used as a frequency divider?
    - Answer: Yes, SN74LS590DR can be used as a frequency divider by connecting the clock input to a higher frequency signal and using the outputs to generate a lower frequency signal.

  9. Question: What is the power supply current consumption of SN74LS590DR?
    - Answer: The power supply current consumption of SN74LS590DR is typically around 8mA.

  10. Question: Are there any specific precautions to consider when using SN74LS590DR?
    - Answer: Yes, some precautions include proper decoupling of power supply pins, avoiding excessive input voltage levels, and ensuring correct clock timing for synchronous operation.

Please note that these answers are general and may vary depending on the specific application and circuit design. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.