SN74HCT14DBR

Product Overview

• Category: Integrated Circuit
• Use: Inverter Schmitt Trigger
• Characteristics:
  • High-speed CMOS technology
  • Wide operating voltage range
  • Low power consumption
  • Schmitt trigger inputs for noise immunity
• Package: SSOP-14
• Essence: Hex Schmitt-Trigger Inverters
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 13 ns (typical)
• Input Capacitance: 3.5 pF (typical)
• Output Drive Capability: ±4 mA

Detailed Pin Configuration

The SN74HCT14DBR has a total of 14 pins arranged as follows:

``` __ __ __ __ __ __ __ __ 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |____|____|____|____|____|____|____|____|____|

  __    __    __    __    __    __    __    __

14 | 1Y | 2A | 3A | 4A | 5A | 6A | 7A | GND | 1B | |____|____|____|____|____|____|____|____|____|

  __    __    __    __    __    __    __    __

14 | 2Y | 3B | 4B | 5B | 6B | 7B | VCC | 2B | 13 | |____|____|____|____|____|____|____|____|____|

  __    __    __    __    __    __    __    __

14 | 3Y | 4Y | 5Y | 6Y | 7Y | GND | 8B | 9A | 12 | |____|____|____|____|____|____|____|____|____|

  __    __    __    __    __    __    __    __

14 | 4Y | 5Y | 6Y | 7Y | VCC | 8A | 9B | 10A | 11 | |____|____|____|____|____|____|____|____|____|

  __    __    __    __    __    __    __    __

14 | 5Y | 6Y | 7Y | GND | 8Y | 9Y | 10Y | 11Y | 10 | |____|____|____|____|____|____|____|____|____| ```

Functional Features

• Hex Schmitt-Trigger Inverters: The SN74HCT14DBR consists of six independent Schmitt-trigger inverters. These inverters are designed to convert slowly changing input signals into sharply defined, jitter-free output signals.
• Noise Immunity: The Schmitt trigger inputs provide hysteresis for improved noise immunity, making the device less susceptible to signal fluctuations and ensuring reliable operation in noisy environments.
• Wide Operating Voltage Range: The SN74HCT14DBR can operate within a voltage range of 2V to 6V, allowing flexibility in various applications.
• High-Speed CMOS Technology: The device utilizes high-speed CMOS technology, enabling fast switching times and efficient performance.

Advantages and Disadvantages

Advantages: - High noise immunity due to Schmitt trigger inputs - Wide operating voltage range allows for versatile use - Low power consumption for energy-efficient operation - Fast switching times with high-speed CMOS technology

Disadvantages: - Limited output drive capability (±4 mA) - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74HCT14DBR operates based on the principles of Schmitt-trigger logic. It uses positive feedback to create hysteresis, which helps in reducing noise sensitivity and providing stable output signals. When the input voltage crosses a certain threshold level, the output switches states, ensuring clean transitions between logic levels.

Detailed Application Field Plans

The SN74HCT14DBR finds applications in various fields, including:

1. Digital Logic Circuits: