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MM74HC14SJX
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MM74HC14SJX

Product Overview

  • Category: Integrated Circuit
  • Use: Inverter Schmitt Trigger
  • Characteristics: High-speed CMOS technology, low power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Hex Schmitt Trigger
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to Vcc
  • Output Voltage: 0V to Vcc
  • Operating Temperature: -40°C to +85°C
  • Propagation Delay: 9 ns (typical)

Detailed Pin Configuration

The MM74HC14SJX has a total of 14 pins. The pin configuration is as follows:

  1. Pin 1: Input A1
  2. Pin 2: Output Y1
  3. Pin 3: Input A2
  4. Pin 4: Output Y2
  5. Pin 5: Input A3
  6. Pin 6: Output Y3
  7. Pin 7: Ground (GND)
  8. Pin 8: Power Supply (Vcc)
  9. Pin 9: Input A4
  10. Pin 10: Output Y4
  11. Pin 11: Input A5
  12. Pin 12: Output Y5
  13. Pin 13: Input A6
  14. Pin 14: Output Y6

Functional Features

  • Hex Schmitt Trigger with inverting outputs
  • Converts slowly changing input signals into sharply defined digital output signals
  • Provides hysteresis for improved noise immunity
  • Suitable for use in various digital applications

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide operating voltage range - Excellent noise immunity

Disadvantages: - Limited output current capability - Not suitable for high-power applications

Working Principles

The MM74HC14SJX is a Hex Schmitt Trigger, which means it converts slowly changing input signals into sharply defined digital output signals. It utilizes hysteresis to provide improved noise immunity. The inverting outputs ensure that the output signal is the complement of the input signal.

When the input voltage crosses the upper threshold (Vcc/2), the output switches from low to high. Conversely, when the input voltage crosses the lower threshold (Vcc/2), the output switches from high to low. This behavior ensures that the output remains stable even in the presence of noise or fluctuations in the input signal.

Detailed Application Field Plans

The MM74HC14SJX can be used in various digital applications, including but not limited to:

  1. Signal Conditioning: The Schmitt Trigger functionality helps clean up noisy input signals, making it suitable for signal conditioning applications.
  2. Oscillators: By connecting the output of one Schmitt Trigger to the input of another, it is possible to create oscillators with precise frequency and duty cycle control.
  3. Level Shifting: The inverter function allows for level shifting between different logic families or voltage domains.
  4. Pulse Shaping: The Schmitt Trigger can be used to shape input pulses into well-defined square waves, ensuring accurate timing and synchronization.

Detailed and Complete Alternative Models

  1. SN74HC14N: Similar Hex Schmitt Trigger IC, available in DIP package.
  2. CD40106BE: Hex Schmitt Trigger IC from a different manufacturer, available in DIP package.
  3. 74HCT14: Hex Schmitt Trigger IC with TTL compatibility, available in SOIC package.

These alternative models offer similar functionality and can be used as substitutes for the MM74HC14SJX depending on specific requirements and availability.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MM74HC14SJX dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of MM74HC14SJX in technical solutions:

  1. Q: What is MM74HC14SJX? A: MM74HC14SJX is a hex inverter with Schmitt-trigger inputs, which means it can convert low-level signals into high-level signals.

  2. Q: What is the operating voltage range for MM74HC14SJX? A: The operating voltage range for MM74HC14SJX is typically between 2V and 6V.

  3. Q: Can MM74HC14SJX be used as a level shifter? A: Yes, MM74HC14SJX can be used as a level shifter to convert signals from one voltage level to another.

  4. Q: How many inverters are there in MM74HC14SJX? A: MM74HC14SJX has six independent inverters, making it suitable for various applications.

  5. Q: What is the maximum output current of MM74HC14SJX? A: The maximum output current of MM74HC14SJX is typically around 5mA.

  6. Q: Can MM74HC14SJX be used in high-speed applications? A: Yes, MM74HC14SJX is designed for high-speed operation and can be used in applications that require fast switching.

  7. Q: Is MM74HC14SJX compatible with TTL logic levels? A: Yes, MM74HC14SJX is compatible with TTL logic levels, making it versatile for interfacing with different types of devices.

  8. Q: Can MM74HC14SJX handle ESD protection? A: Yes, MM74HC14SJX has built-in ESD protection, which helps safeguard the device against electrostatic discharge.

  9. Q: What is the typical propagation delay of MM74HC14SJX? A: The typical propagation delay of MM74HC14SJX is around 12 nanoseconds.

  10. Q: Can MM74HC14SJX be used in battery-powered applications? A: Yes, MM74HC14SJX can be used in battery-powered applications as it operates within a wide voltage range and has low power consumption.

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