ON Semiconductor
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MC74VHCT14AMEL
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MC74VHCT14AMEL

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Gate Inverter
  • Characteristics: High-speed, low-power consumption
  • Package: SOIC-14 (Small Outline Integrated Circuit)
  • Essence: Hex Schmitt Trigger Inverter
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.0V to 5.5V
  • Input Voltage Range: -0.5V to VCC + 0.5V
  • Output Voltage Range: -0.5V to VCC + 0.5V
  • Maximum Operating Frequency: 125 MHz
  • Propagation Delay Time: 6 ns (typical)
  • Input Capacitance: 3 pF (typical)
  • Output Drive Capability: ±4 mA

Detailed Pin Configuration

The MC74VHCT14AMEL has a total of 14 pins arranged 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: Output Y4
  9. Pin 9: Input A4
  10. Pin 10: Output Y5
  11. Pin 11: Input A5
  12. Pin 12: Output Y6
  13. Pin 13: VCC (Supply Voltage)
  14. Pin 14: Input A6

Functional Features

  • Hex Schmitt Trigger Inverter with hysteresis for improved noise immunity.
  • High-speed operation allows for efficient signal processing.
  • Low-power consumption makes it suitable for battery-powered devices.
  • Wide supply voltage range enables compatibility with various systems.
  • Schmitt trigger input allows for easy interfacing with noisy signals.

Advantages and Disadvantages

Advantages: - Improved noise immunity due to the Schmitt trigger input. - High-speed operation enables fast signal processing. - Low-power consumption extends battery life in portable devices. - Wide supply voltage range provides flexibility in system design.

Disadvantages: - Limited output drive capability may not be suitable for high-current applications. - Propagation delay time may affect timing-sensitive circuits. - Input capacitance may impact performance in high-frequency applications.

Working Principles

The MC74VHCT14AMEL is a hex Schmitt trigger inverter. It utilizes a Schmitt trigger input, which incorporates positive feedback to provide hysteresis. This hysteresis ensures that the output transitions occur at different voltage levels for rising and falling input signals, improving noise immunity.

When the input voltage crosses the upper threshold (VH), the output switches from high to low. Conversely, when the input voltage crosses the lower threshold (VL), the output switches from low to high. The hysteresis prevents rapid switching near the threshold voltage, reducing the effects of noise and ensuring stable output states.

Detailed Application Field Plans

The MC74VHCT14AMEL is commonly used in various digital logic applications, including:

  1. Signal Conditioning: The Schmitt trigger input helps clean up noisy signals, making it suitable for signal conditioning circuits.
  2. Oscillators: The hysteresis provided by the Schmitt trigger enables stable oscillation in relaxation oscillators.
  3. Level Shifting: The inverter can be used to shift logic levels between different voltage domains.
  4. Pulse Shaping: The Schmitt trigger input can shape input pulses into well-defined output waveforms.

Detailed and Complete Alternative Models

  1. SN74LVC1G14DBVR: Single Schmitt Trigger Inverter, SOT-23 package.
  2. CD40106BE: Hex Schmitt Trigger Inverter, DIP-14 package.
  3. 74HC14N: Hex Schmitt Trigger Inverter, DIP-14 package.

These alternative models offer similar functionality to the MC74VHCT14AMEL and can be used as replacements in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MC74VHCT14AMEL v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MC74VHCT14AMEL in technical solutions:

  1. Q: What is MC74VHCT14AMEL? A: MC74VHCT14AMEL is a hex inverter Schmitt trigger IC (integrated circuit) that can be used for signal conditioning and level shifting applications.

  2. Q: What is the operating voltage range of MC74VHCT14AMEL? A: The operating voltage range of MC74VHCT14AMEL is typically between 2.0V and 5.5V.

  3. Q: What is the maximum output current of MC74VHCT14AMEL? A: The maximum output current of MC74VHCT14AMEL is typically around 8mA.

  4. Q: Can MC74VHCT14AMEL be used for logic level conversion? A: Yes, MC74VHCT14AMEL can be used for logic level conversion as it has Schmitt trigger inputs that provide hysteresis and improve noise immunity.

  5. Q: What is the propagation delay of MC74VHCT14AMEL? A: The propagation delay of MC74VHCT14AMEL is typically around 9ns.

  6. Q: Can MC74VHCT14AMEL be used for interfacing with microcontrollers? A: Yes, MC74VHCT14AMEL can be used for interfacing with microcontrollers as it can convert different logic levels.

  7. Q: Does MC74VHCT14AMEL have built-in protection features? A: No, MC74VHCT14AMEL does not have built-in protection features. External protection measures may be required.

  8. Q: Can MC74VHCT14AMEL be used in high-speed applications? A: MC74VHCT14AMEL is not specifically designed for high-speed applications, but it can still be used in moderate-speed digital circuits.

  9. Q: What is the package type of MC74VHCT14AMEL? A: MC74VHCT14AMEL is available in a small outline integrated circuit (SOIC) package.

  10. Q: Are there any recommended application circuits available for MC74VHCT14AMEL? A: Yes, the datasheet of MC74VHCT14AMEL provides recommended application circuits and example schematics that can be used as a reference.

Please note that the answers provided here are general and may vary depending on specific use cases and requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate information and guidance.