Encyclopedia Entry: 74AC14TTR

Product Overview

Category

The 74AC14TTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic circuits for signal processing and amplification.

Characteristics

• The 74AC14TTR is a hex inverter with Schmitt-trigger inputs.
• It operates on a supply voltage range of 2V to 6V.
• This IC has high noise immunity and low power consumption.
• It offers a wide operating temperature range, typically from -40°C to +85°C.

Package

The 74AC14TTR is available in a small-outline transistor (SOT) package.

Essence

The essence of the 74AC14TTR lies in its ability to invert input signals while incorporating Schmitt-trigger functionality.

Packaging/Quantity

This IC is typically sold in reels or tubes, containing a quantity of 2500 units per reel/tube.

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: 7 ns (max)
• Input Capacitance: 3 pF (typ)
• Output Current: ±24 mA (max)

Detailed Pin Configuration

The 74AC14TTR consists of 14 pins, each serving a specific purpose:

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 Inverter: The 74AC14TTR contains six independent inverters, allowing for versatile signal inversion in digital circuits.
• Schmitt-trigger Inputs: The Schmitt-trigger functionality ensures improved noise immunity and hysteresis characteristics, making it suitable for noisy environments.

Advantages and Disadvantages

Advantages

• High Noise Immunity: The Schmitt-trigger inputs provide excellent noise rejection capabilities.
• Low Power Consumption: The IC operates with low power requirements, making it energy-efficient.
• Wide Operating Temperature Range: It can withstand a broad range of temperatures, enabling its use in various environments.

Disadvantages

• Limited Voltage Range: The 74AC14TTR is designed to operate within a specific voltage range (2V to 6V), which may restrict its compatibility with certain systems.
• Propagation Delay: The IC has a propagation delay time of 7 ns, which may affect the timing accuracy in some applications.

Working Principles

The 74AC14TTR works by receiving an input signal and producing an inverted output signal. The Schmitt-trigger inputs ensure that the output transitions occur at different voltage levels, providing noise immunity and hysteresis.

Detailed Application Field Plans

The 74AC14TTR finds application in various fields, including: 1. Digital Signal Processing: It is used in digital filters, oscillators, and waveform generators. 2. Communication Systems: The IC is employed in data transmission circuits, modems, and networking devices. 3. Industrial Automation: It is utilized in control systems, motor drives, and robotics. 4. Automotive Electronics: The IC can be found in automotive control units, sensors, and entertainment systems.

Detailed and Complete Alternative Models

1. 74HC14: This IC is a similar hex inverter with Schmitt-trigger inputs, operating at a wider voltage range of 2V to 6V.
2. CD40106B: A hex Schmitt-trigger inverter IC that operates on a supply voltage range of 3V to 18V.
3. SN74LS14: This hex inverter with Schmitt-trigger inputs operates on a supply voltage range of 4.75V to 5.25V.

These alternative models offer similar functionality to the 74AC14TTR and can be considered as substitutes based on specific requirements.

In conclusion, the 74AC14TTR is a versatile hex inverter IC with Schmitt-trigger inputs. Its high noise immunity, low power consumption, and wide operating temperature range make it suitable for various digital electronic applications.