ON Semiconductor
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DM74LS393M
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DM74LS393M

Product Overview

Category

The DM74LS393M belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Compact size
  • Reliable performance

Package

The DM74LS393M is available in a standard dual in-line package (DIP), which consists of 14 pins.

Essence

The essence of the DM74LS393M lies in its ability to perform binary counting and data synchronization tasks efficiently.

Packaging/Quantity

This IC is typically packaged in tubes or reels, with each tube/reel containing a specific quantity of DM74LS393M chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 4.75V to 5.25V
  • Operating Temperature Range: -55°C to +125°C
  • Logic Family: LS-TTL
  • Number of Pins: 14
  • Maximum Clock Frequency: 30 MHz
  • Output Current: ±8 mA

Detailed Pin Configuration

The DM74LS393M has 14 pins, each serving a specific function. Here is the detailed pin configuration:

  1. Pin 1: Clock Input A
  2. Pin 2: Clock Input B
  3. Pin 3: Reset Input
  4. Pin 4: Data Input A
  5. Pin 5: Data Input B
  6. Pin 6: Output Q0
  7. Pin 7: Output Q1
  8. Pin 8: Output Q2
  9. Pin 9: Output Q3
  10. Pin 10: Ground (GND)
  11. Pin 11: Output Q4
  12. Pin 12: Output Q5
  13. Pin 13: Output Q6
  14. Pin 14: VCC (Supply Voltage)

Functional Features

The DM74LS393M offers the following functional features:

  • Dual 4-bit binary counters
  • Asynchronous reset capability
  • Synchronous counting operation
  • Ripple carry output for cascading multiple counters
  • High-speed clock input

Advantages and Disadvantages

Advantages

  • High-speed operation allows for quick data processing.
  • Low power consumption makes it suitable for battery-powered devices.
  • Wide operating voltage range ensures compatibility with various systems.
  • Compact size enables space-efficient circuit designs.
  • Reliable performance ensures accurate counting and synchronization.

Disadvantages

  • Limited number of outputs restricts the maximum count value.
  • Requires external components for more complex applications.
  • Not suitable for high-frequency applications due to its maximum clock frequency limitation.

Working Principles

The DM74LS393M operates based on the principles of binary counting and data synchronization. It counts the number of clock pulses received at the Clock Input A and B pins, and the count value is displayed on the output pins Q0-Q6. The counter can be reset asynchronously using the Reset Input pin.

Detailed Application Field Plans

The DM74LS393M finds applications in various fields, including:

  1. Digital frequency dividers
  2. Event counters
  3. Data synchronization circuits
  4. Industrial automation systems
  5. Communication equipment
  6. Automotive electronics
  7. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the DM74LS393M are:

  1. SN74LS393
  2. CD74HC393
  3. MC74HC393
  4. 74HCT393

These alternative models can be used as substitutes for the DM74LS393M depending on specific requirements and availability.

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Énumérez 10 questions et réponses courantes liées à l'application de DM74LS393M dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of DM74LS393M in technical solutions:

  1. Q: What is DM74LS393M? A: DM74LS393M is a dual 4-bit binary counter IC (integrated circuit) that can be used in various digital applications.

  2. Q: What is the purpose of DM74LS393M? A: The purpose of DM74LS393M is to count binary numbers and perform basic arithmetic operations in digital circuits.

  3. Q: How many bits can DM74LS393M count up to? A: DM74LS393M can count up to 4 bits, which means it can represent decimal numbers from 0 to 15.

  4. Q: Can DM74LS393M be cascaded to count higher than 4 bits? A: Yes, multiple DM74LS393M ICs can be cascaded together to count higher than 4 bits by connecting the carry output of one IC to the clock input of the next IC.

  5. Q: What is the clock input in DM74LS393M? A: The clock input is a signal that controls when the counter increments or counts up by one.

  6. Q: How do I connect DM74LS393M to a microcontroller or Arduino? A: You can connect the clock input of DM74LS393M to a digital pin of the microcontroller or Arduino and control it using code.

  7. Q: What is the maximum frequency at which DM74LS393M can operate? A: The maximum operating frequency of DM74LS393M is typically around 25 MHz.

  8. Q: Can DM74LS393M count down as well? A: Yes, DM74LS393M can count down by connecting the borrow output to the clock input, which will decrement the count by one.

  9. Q: What is the power supply voltage range for DM74LS393M? A: The power supply voltage range for DM74LS393M is typically between 4.75V and 5.25V.

  10. Q: Can DM74LS393M be used in applications other than counting? A: Yes, DM74LS393M can also be used in frequency division, time delay circuits, and various other digital applications where counting or sequencing is required.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications of DM74LS393M.