SN74AC14DR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Inverting Schmitt Trigger
• Characteristics:
  • High-speed CMOS technology
  • Wide operating voltage range
  • Low power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Inverting Schmitt Trigger IC
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±24 mA
• Propagation Delay Time: 5.8 ns (typical)
• Input Capacitance: 3 pF (typical)

Detailed Pin Configuration

The SN74AC14DR has a total of 14 pins, numbered as follows:

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

Functional Features

• Inverting Schmitt Trigger: Converts input signals into inverted output signals with hysteresis.
• High-Speed Operation: Utilizes high-speed CMOS technology for fast signal processing.
• Wide Operating Voltage Range: Can operate within a wide voltage range of 2 V to 6 V.
• Low Power Consumption: Designed to minimize power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Fast signal processing due to high-speed CMOS technology. - Wide operating voltage range allows for versatile applications. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Inverting output may not be suitable for all applications. - Limited number of inputs and outputs compared to other ICs.

Working Principles

The SN74AC14DR is based on the Schmitt Trigger concept, which is a type of comparator with positive feedback. It uses hysteresis to provide noise immunity and signal conditioning. When the input voltage crosses certain thresholds, the output switches states, resulting in an inverted output signal.

Detailed Application Field Plans

The SN74AC14DR can be used in various applications, including:

1. Signal Conditioning: The inverting Schmitt trigger function helps clean up noisy signals by providing a stable output.
2. Oscillators: By connecting external components, the IC can be used to generate square wave oscillations at specific frequencies.
3. Level Shifting: The IC can be used to shift logic levels between different voltage domains in mixed-voltage systems.
4. Pulse Shaping: The hysteresis feature of the Schmitt trigger helps shape input pulses into well-defined output pulses.

Detailed and Complete Alternative Models

1. SN74AHC14DR: Similar to SN74AC14DR but operates at lower voltage levels (2 V to 5.5 V).
2. SN74HCT14DR: Schmitt Trigger IC with TTL-compatible inputs and higher output current capability.
3. SN74LVC14ADR: Low-voltage CMOS version of the Schmitt Trigger IC, operating at 1.65 V to 5.5 V.

These alternative models offer similar functionality with slight variations in voltage range, compatibility, and performance characteristics.

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