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MM74HC393SJ

MM74HC393SJ

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital counter
  • Characteristics: High-speed operation, low power consumption
  • Package: Dual in-line package (DIP)
  • Essence: Flip-flop based binary counter
  • Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

  • Supply Voltage: 2V to 6V
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: 13 ns (typical)
  • Maximum Clock Frequency: 50 MHz
  • Number of Stages: 2

Detailed Pin Configuration

The MM74HC393SJ has a total of 14 pins. The pin configuration is as follows:

  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: Ground (GND)
  9. Pin 9: Output Q2
  10. Pin 10: Output Q3
  11. Pin 11: Data Input C
  12. Pin 12: Data Input D
  13. Pin 13: Clock Enable Input
  14. Pin 14: VCC (Positive Supply Voltage)

Functional Features

  • Dual 4-bit binary counter with individual clock inputs
  • Asynchronous reset input for clearing the counter
  • Outputs can be used as divide-by-n counters by connecting appropriate outputs to the clock inputs
  • High-speed operation allows for efficient counting in digital systems
  • Low power consumption makes it suitable for battery-powered devices

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient counting in digital systems
  • Low power consumption makes it suitable for battery-powered devices
  • Asynchronous reset input allows for easy clearing of the counter

Disadvantages

  • Limited number of stages (2) may not be sufficient for complex counting applications
  • Only supports positive supply voltage (VCC)

Working Principles

The MM74HC393SJ is a flip-flop based binary counter. It counts the number of clock pulses received on its clock inputs and produces corresponding binary outputs. The counter can be reset asynchronously using the reset input. The outputs can also be used as divide-by-n counters by connecting appropriate outputs to the clock inputs.

Detailed Application Field Plans

The MM74HC393SJ is commonly used in various digital applications, including:

  1. Frequency division: The outputs of the counter can be used to divide the frequency of an input signal by a specific factor.
  2. Event counting: The counter can be used to count the occurrence of specific events or pulses.
  3. Timekeeping: The counter can be utilized in timekeeping circuits to measure and display time intervals.

Detailed and Complete Alternative Models

  1. CD40193: 4-bit synchronous up/down binary counter
  2. SN74LS393: Dual 4-bit binary ripple counter
  3. CD4020: 14-stage ripple carry binary counter

These alternative models offer similar functionality and can be used as substitutes for the MM74HC393SJ in different applications.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του MM74HC393SJ σε τεχνικές λύσεις

Sure! Here are 10 common questions and answers related to the application of MM74HC393SJ in technical solutions:

  1. Q: What is MM74HC393SJ? A: MM74HC393SJ is a dual 4-bit binary ripple counter integrated circuit (IC) that can be used in various digital applications.

  2. Q: What is the operating voltage range for MM74HC393SJ? A: The operating voltage range for MM74HC393SJ is typically between 2V and 6V.

  3. Q: Can MM74HC393SJ be used as a frequency divider? A: Yes, MM74HC393SJ can be used as a frequency divider by connecting the appropriate inputs and outputs.

  4. Q: How many flip-flops are there in MM74HC393SJ? A: MM74HC393SJ consists of two independent 4-bit binary counters, each containing four flip-flops.

  5. Q: What is the maximum clock frequency for MM74HC393SJ? A: The maximum clock frequency for MM74HC393SJ is typically around 25 MHz.

  6. Q: Can MM74HC393SJ be cascaded to create larger counters? A: Yes, MM74HC393SJ can be cascaded with other counters to create larger counting circuits.

  7. Q: What is the power supply current requirement for MM74HC393SJ? A: The power supply current requirement for MM74HC393SJ is typically around 4 mA.

  8. Q: Is MM74HC393SJ compatible with TTL logic levels? A: Yes, MM74HC393SJ is compatible with TTL logic levels, making it suitable for interfacing with other TTL devices.

  9. Q: Can MM74HC393SJ be used in both synchronous and asynchronous modes? A: Yes, MM74HC393SJ can be used in both synchronous and asynchronous counting modes, depending on the application requirements.

  10. Q: What are some typical applications of MM74HC393SJ? A: Some typical applications of MM74HC393SJ include frequency division, event counting, time delay generation, and general-purpose digital counting circuits.

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