SN74AC14NSR

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74AC14NSR is a hex inverter Schmitt trigger IC. It is commonly used for signal conditioning and digital logic applications.

Characteristics: - Hex Inverter Schmitt Trigger - High-Speed Operation - Wide Operating Voltage Range - Low Power Consumption - Schmitt Trigger Input Allows for Noise Immunity - Small Package Size

Package: SOIC-14 (Small Outline Integrated Circuit), Surface Mount

Essence: The SN74AC14NSR is an essential component in electronic circuits that require signal inversion and noise immunity.

Packaging/Quantity: The SN74AC14NSR is typically packaged in reels or tubes, with 2500 units per reel/tube.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to Vcc
• Output Voltage: 0V to Vcc
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 5.8 ns (typical)
• Maximum Quiescent Current: 4µA

Detailed Pin Configuration

The SN74AC14NSR has a total of 14 pins, arranged as follows:

__ __ 1 | 1 14 | Vcc 2 | 2 13 | Input A 3 | 3 12 | Output A 4 | 4 11 | Input B 5 | 5 10 | Output B 6 | 6 9 | Input C 7 | 7 8 | Output C ‾‾ ‾‾

Functional Features

• Hex Inverter: The SN74AC14NSR consists of six independent inverters, allowing for signal inversion.
• Schmitt Trigger: The Schmitt trigger input ensures noise immunity by providing hysteresis and reducing the effects of input voltage fluctuations.
• High-Speed Operation: The IC operates at high speeds, making it suitable for applications that require fast switching.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows for compatibility with various systems. - Low power consumption makes it energy-efficient. - Small package size saves space on circuit boards. - Schmitt trigger input provides noise immunity, ensuring reliable operation in noisy environments.

Disadvantages: - Limited number of inverters (six) may not be sufficient for complex circuits requiring more inverters. - Propagation delay time may affect timing-sensitive applications.

Working Principles

The SN74AC14NSR works by taking an input signal and inverting it using a hex inverter. The Schmitt trigger input ensures noise immunity by comparing the input voltage to predefined thresholds, providing hysteresis and reducing the effects of noise. The output is the inverted version of the input signal.

Detailed Application Field Plans

The SN74AC14NSR finds applications in various fields, including:

1. Digital Logic Circuits: It is used for signal conditioning and level shifting in digital logic circuits.
2. Communication Systems: The IC can be employed in communication systems for signal processing and noise rejection.
3. Industrial Automation: It is utilized in industrial automation systems for signal conditioning and interfacing with sensors and actuators.
4. Automotive Electronics: The SN74AC14NSR is suitable for automotive electronics applications, such as engine control units and sensor interfaces.

Detailed and Complete Alternative Models

1. SN74HC14N: This is a similar hex inverter Schmitt trigger IC from Texas Instruments, with comparable specifications and pin configuration.
2. CD40106BE: A hex Schmitt trigger IC from Texas Instruments, offering similar functionality and characteristics.

These alternative models can be considered as substitutes for the SN74AC14NSR, depending on specific requirements and availability.

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