Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
SN74AHC14DBR

SN74AHC14DBR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Inverting Schmitt Trigger
  • Characteristics: High-speed, low-power, and high-noise immunity
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Hex Schmitt-Trigger Inverter
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • Input Voltage Range: 0 V to VCC
  • Output Voltage Range: 0 V to VCC
  • Maximum Operating Frequency: 50 MHz
  • Propagation Delay Time: 7 ns
  • Quiescent Current: 4 μA
  • Input Capacitance: 3 pF
  • Output Drive Capability: ±8 mA

Detailed Pin Configuration

The SN74AHC14DBR has a total of 14 pins, numbered as follows:

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

Functional Features

  • Hex Schmitt-Trigger Inverter with hysteresis
  • Converts slowly changing input signals into sharply defined digital output signals
  • Provides noise immunity for better signal integrity
  • Suitable for use in applications requiring signal conditioning or waveform shaping

Advantages and Disadvantages

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

Disadvantages: - Limited output drive capability - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74AHC14DBR is a Hex Schmitt-Trigger Inverter. It utilizes hysteresis to convert slowly changing input signals into digital output signals with well-defined switching thresholds. The hysteresis ensures that the output transitions occur at different voltage levels for rising and falling input signals, providing noise immunity and reducing the likelihood of false triggering.

Detailed Application Field Plans

The SN74AHC14DBR can be used in various applications, including:

  1. Signal Conditioning: The Schmitt-trigger functionality helps clean up noisy input signals, making it suitable for use in audio amplifiers, sensor interfaces, and communication systems.
  2. Waveform Shaping: It can be used to shape waveforms in applications such as pulse generators, frequency dividers, and clock synchronization circuits.
  3. Oscillators: By connecting the output of one inverter to the input of another, the SN74AHC14DBR can be used to build relaxation oscillators or square wave generators.

Detailed and Complete Alternative Models

Some alternative models to the SN74AHC14DBR include:

  1. CD40106BE: Hex Schmitt-Trigger Inverter from Texas Instruments
  2. 74HC14N: Hex Inverting Schmitt Trigger from NXP Semiconductors
  3. MC74VHC1G14: Single Schmitt-Trigger Inverter from ON Semiconductor

These alternatives offer similar functionality and can be used as replacements depending on specific requirements.

Word count: 346 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN74AHC14DBR dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of SN74AHC14DBR in technical solutions:

  1. Q: What is SN74AHC14DBR? A: SN74AHC14DBR 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 voltage supply range for SN74AHC14DBR? A: The voltage supply range for SN74AHC14DBR is typically between 2V and 5.5V.

  3. Q: What is the maximum output current of SN74AHC14DBR? A: The maximum output current of SN74AHC14DBR is typically around 8mA.

  4. Q: Can SN74AHC14DBR be used for level shifting applications? A: Yes, SN74AHC14DBR can be used for level shifting applications as it can convert signals from one voltage level to another.

  5. Q: How many inverters are there in SN74AHC14DBR? A: SN74AHC14DBR consists of six independent inverters.

  6. Q: What is the operating temperature range for SN74AHC14DBR? A: The operating temperature range for SN74AHC14DBR is typically between -40°C and 85°C.

  7. Q: Can SN74AHC14DBR be used in battery-powered applications? A: Yes, SN74AHC14DBR can be used in battery-powered applications as it has a low power consumption.

  8. Q: What is the propagation delay of SN74AHC14DBR? A: The propagation delay of SN74AHC14DBR is typically around 8ns.

  9. Q: Can SN74AHC14DBR be used in high-speed applications? A: Yes, SN74AHC14DBR can be used in high-speed applications as it has a fast switching speed.

  10. Q: What are some common applications of SN74AHC14DBR? A: Some common applications of SN74AHC14DBR include signal conditioning, level shifting, waveform shaping, and noise filtering.

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