Texas Instruments
Obraz może przedstawiać obraz.
Szczegóły produktu można znaleźć w specyfikacjach.
SN74LS590D
Pokaż szczegóły Arkusze danych

SN74LS590D

Product Overview

Category

SN74LS590D belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications such as counters, shift registers, and frequency dividers.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • TTL compatible inputs and outputs
  • 8-bit parallel input and output
  • Synchronous or asynchronous operation

Package

SN74LS590D is available in a 16-pin dual in-line package (DIP).

Essence

The essence of SN74LS590D lies in its ability to perform counting and shifting operations in digital circuits efficiently and accurately.

Packaging/Quantity

SN74LS590D is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 30 MHz
  • Input/Output Logic Level: TTL

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. Ground (GND)
  10. Clock (CLK)
  11. Serial Data Input (DS)
  12. Master Reset (MR)
  13. Parallel Load Enable (PLE)
  14. Serial Output (QH')
  15. Carry Output (CO)
  16. VCC (Supply Voltage)

Functional Features

  • Counting: SN74LS590D can count up or down based on the clock input and control signals.
  • Shifting: It can shift data in either direction, left or right.
  • Parallel Load: The IC allows loading of data in parallel through the parallel load enable input.
  • Reset: A master reset input is provided to reset the counter to a specific state.
  • Carry Output: SN74LS590D generates a carry output signal when the counter reaches its maximum value.

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient counting and shifting operations.
  • Low power consumption makes it suitable for battery-powered applications.
  • Wide operating voltage range allows compatibility with various systems.
  • TTL compatible inputs and outputs ensure easy integration into existing digital circuits.

Disadvantages

  • Limited maximum clock frequency compared to some other ICs.
  • Availability may vary depending on the supplier and region.

Working Principles

SN74LS590D operates based on the principles of synchronous and asynchronous digital logic. The clock input controls the counting and shifting operations, while control signals determine the direction and mode of operation. The IC utilizes flip-flops and combinational logic to perform the desired functions accurately.

Detailed Application Field Plans

SN74LS590D finds applications in various fields, including: 1. Digital counters for industrial automation systems. 2. Frequency dividers in communication equipment. 3. Shift registers in data storage and retrieval systems. 4. Control circuitry in automotive electronics. 5. Timing circuits in consumer electronics.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74LS590D are: 1. CD4020BE - 14-stage binary counter/divider 2. 74HC595 - 8-bit serial-in, serial or parallel-out shift register 3. CD4017BE - Decade counter/divider with 10 decoded outputs

These alternatives can be considered based on specific requirements and availability.

Word count: 529 words

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem SN74LS590D w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of SN74LS590D:

  1. Q: What is SN74LS590D? A: SN74LS590D is a 8-bit binary counter with output registers, commonly used in digital circuits.

  2. Q: What is the maximum clock frequency for SN74LS590D? A: The maximum clock frequency for SN74LS590D is typically around 25 MHz.

  3. Q: How many outputs does SN74LS590D have? A: SN74LS590D has 8 outputs, which can be used to drive external devices or connect to other circuitry.

  4. Q: Can SN74LS590D be cascaded to increase the number of bits? A: Yes, SN74LS590D can be cascaded to increase the number of bits by connecting the carry-out pin of one chip to the carry-in pin of the next chip.

  5. Q: What is the purpose of the clear input pin on SN74LS590D? A: The clear input pin is used to reset the counter to its initial state when activated.

  6. Q: Can SN74LS590D be used as a frequency divider? A: Yes, SN74LS590D can be used as a frequency divider by connecting the clock input to a higher frequency source and using the outputs to generate lower frequency signals.

  7. Q: What is the power supply voltage range for SN74LS590D? A: The power supply voltage range for SN74LS590D is typically between 4.75V and 5.25V.

  8. Q: Does SN74LS590D have any built-in protection features? A: No, SN74LS590D does not have built-in protection features. External measures should be taken to protect the chip from voltage spikes or other potential hazards.

  9. Q: Can SN74LS590D be used in both synchronous and asynchronous modes? A: Yes, SN74LS590D can be used in both synchronous and asynchronous modes, depending on the application requirements.

  10. Q: What are some common applications of SN74LS590D? A: Some common applications of SN74LS590D include frequency division, event counting, data acquisition systems, and general-purpose digital logic circuits.

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