SN74HC14PWRE4

Product Overview

• Category: Integrated Circuit
• Use: Inverter Schmitt Trigger
• Characteristics: High-speed, low-power, and high-noise immunity
• 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 Operating Frequency: 50 MHz
• Propagation Delay Time: 9 ns (typical)
• Quiescent Current: 1 µA (maximum)

Detailed Pin Configuration

The SN74HC14PWRE4 has a TSSOP-14 package with the following pin configuration:

+---+--+---+ Y1 -| 1 14 |- VCC A1 -| 2 13 |- A6 B1 -| 3 12 |- Y6 A2 -| 4 11 |- B6 B2 -| 5 10 |- A5 Y2 -| 6 9 |- B5 GND -| 7 8 |- Y5 +--------+

Functional Features

• Hex Schmitt-Trigger Inverters: The SN74HC14PWRE4 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 Operation: With a maximum operating frequency of 50 MHz, this IC enables fast signal processing.
• Low Power Consumption: The SN74HC14PWRE4 is designed to consume minimal power, making it suitable for battery-powered applications.
• High Noise Immunity: The Schmitt-trigger inputs provide a hysteresis voltage that enhances noise immunity, ensuring reliable operation in noisy environments.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal processing. - Low power consumption makes it suitable for portable devices. - High noise immunity ensures reliable performance in noisy environments.

Disadvantages: - Limited number of inverters (six) in a single package. - Not suitable for high-voltage applications (maximum supply voltage is 6V).

Working Principles

The SN74HC14PWRE4 operates based on the Schmitt-trigger principle. It uses positive feedback to create hysteresis, which helps in transforming slowly changing input signals into well-defined output signals. This hysteresis ensures that the output transitions occur at different voltage levels for rising and falling input signals, reducing the possibility of false triggering due to noise or signal fluctuations.

Detailed Application Field Plans

The SN74HC14PWRE4 finds applications in various fields, including:

1. Digital Logic Circuits: It can be used as an inverter or a level shifter in digital logic circuits.
2. Oscillators: By connecting the output of one inverter to the input of another, the IC can be used to build oscillators for generating square wave signals.
3. Signal Conditioning: The Schmitt-trigger functionality makes it useful for cleaning up noisy input signals and providing stable output signals.

Detailed and Complete Alternative Models

Some alternative models to the SN74HC14PWRE4 include:

1. CD40106BE: Hex Schmitt-Trigger Inverters with a DIP-14 package.
2. MC14584B: Hex Schmitt-Trigger Inverters with a SOIC-14 package.
3. 74HCT14: Hex Schmitt-Trigger Inverters with a DIP-14 package, compatible with 5V logic.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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