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.

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