SN74HC14APWRE4

Product Overview

• Category: Integrated Circuit
• Use: Inverter Schmitt Trigger
• Characteristics: High-speed CMOS Logic, 6 Schmitt Trigger Inputs, Wide Operating Voltage Range
• Package: TSSOP-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
• Maximum Input Current: ±1µA
• Maximum Quiescent Supply Current: 2µA
• Maximum Propagation Delay Time: 11ns
• Maximum Operating Temperature: 125°C

Detailed Pin Configuration

The SN74HC14APWRE4 has a TSSOP-14 package with the following pin configuration:

__ __ Y1 | 1 14 | VCC A1 | 2 13 | Y2 B1 | 3 12 | A2 A3 | 4 11 | B2 B3 | 5 10 | A4 Y3 | 6 9 | B4 GND | 7 8 | Y4 ¯¯ ¯¯

Functional Features

• Hex Schmitt-Trigger Inverters: The SN74HC14APWRE4 consists of six independent Schmitt-trigger inverters. These inverters are designed to transform slowly changing input signals into sharply defined, jitter-free output signals.
• High-Speed CMOS Logic: The device operates at high speed while maintaining low power consumption.
• Wide Operating Voltage Range: The SN74HC14APWRE4 can operate within a voltage range of 2V to 6V, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Provides noise immunity due to Schmitt-trigger inputs - High-speed operation - Wide operating voltage range allows for flexibility in different applications

Disadvantages: - Limited number of inverters (six in total) - Not suitable for applications requiring higher voltage levels

Working Principles

The SN74HC14APWRE4 utilizes Schmitt-trigger inverters to convert slowly changing input signals into well-defined output signals. The Schmitt-trigger inputs provide hysteresis, which helps in reducing the effects of noise and ensuring stable output transitions. This makes the device suitable for applications where noise immunity is crucial.

Detailed Application Field Plans

The SN74HC14APWRE4 can be used in various applications, including but not limited to: 1. Signal Conditioning: The Schmitt-trigger functionality makes it ideal for conditioning analog signals before further processing. 2. Oscillators: The device can be used to generate square wave oscillations in oscillator circuits. 3. Level Shifting: It can be employed to shift logic levels between different voltage domains. 4. Pulse Shaping: The Schmitt-trigger inputs help in shaping input pulses, making it useful in pulse detection and synchronization circuits.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74HC14APWRE4 include: - CD40106B: Hex Schmitt-Trigger Inverter IC with a wider supply voltage range. - MC14584B: Hex Schmitt-Trigger Inverter IC with improved noise immunity. - 74HCT14: Hex Schmitt-Trigger Inverter IC compatible with both CMOS and TTL logic levels.

These alternative models can be considered based on specific requirements and compatibility with existing designs.

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