SN74AHC14PW

Product Overview

Category

SN74AHC14PW belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a hex inverter Schmitt-trigger, which means it can be used to convert input signals into inverted output signals with hysteresis.

Characteristics

• Hex inverter Schmitt-trigger
• Wide operating voltage range: 2 V to 5.5 V
• High-speed operation: 4 ns propagation delay at 3.3 V
• Low power consumption: 1 µA maximum ICC
• Schmitt-trigger inputs allow for slow input transition and noise immunity
• Available in TSSOP package

Package

SN74AHC14PW is packaged in a TSSOP (Thin Shrink Small Outline Package), which provides a compact and space-saving form factor.

Essence

The essence of SN74AHC14PW lies in its ability to perform hex inverting functions with Schmitt-trigger inputs, making it suitable for applications requiring noise immunity and slow input transitions.

Packaging/Quantity

SN74AHC14PW is typically available in reels containing a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 4 ns (typical) at 3.3 V
• Maximum Quiescent Current: 1 µA

Detailed Pin Configuration

SN74AHC14PW consists of 14 pins arranged as follows:

____ Y1 |1 14| VCC A1 |2 13| A6 B1 |3 12| Y6 A2 |4 11| B6 B2 |5 10| A3 Y2 |6 9| B3 GND |7 8| Y3 ----

Functional Features

• Hex inverting functions: The SN74AHC14PW provides six independent hex inverters, allowing for versatile signal inversion applications.
• Schmitt-trigger inputs: The Schmitt-trigger inputs enable the IC to tolerate slow input transitions and provide noise immunity, making it suitable for noisy environments.
• Wide operating voltage range: With a voltage range of 2 V to 5.5 V, this IC can be used in various low-power applications.

Advantages and Disadvantages

Advantages

• High-speed operation: The SN74AHC14PW offers fast propagation delay, making it suitable for time-critical applications.
• Low power consumption: With a maximum quiescent current of 1 µA, this IC helps conserve power in battery-operated devices.
• Noise immunity: The Schmitt-trigger inputs enhance the IC's ability to reject noise and provide reliable signal processing.

Disadvantages

• Limited functionality: While the SN74AHC14PW is efficient at hex inverting functions, it may not be suitable for applications requiring more complex logic operations.
• Temperature limitations: The operating temperature range of -40°C to +85°C may restrict its use in extreme temperature environments.

Working Principles

The SN74AHC14PW operates based on the principles of hex inverting and Schmitt-trigger inputs. When an input signal is applied, the hex inverter converts it into an inverted output signal. The Schmitt-trigger inputs ensure that the output transitions occur at different voltage levels for rising and falling input signals, providing noise immunity and tolerance for slow input transitions.

Detailed Application Field Plans

The SN74AHC14PW finds applications in various fields, including:

1. Digital signal processing: It can be used to invert and process digital signals in microcontrollers, FPGA-based systems, and communication devices.
2. Sensor interfaces: The IC's noise immunity makes it suitable for interfacing with sensors that may produce noisy signals, such as temperature sensors, proximity sensors, and motion sensors.
3. Oscillator circuits: The Schmitt-trigger inputs enable the IC to generate stable oscillations, making it useful in oscillator circuits for clock generation and timing applications.
4. Logic level conversion: SN74AHC14PW can be employed to convert logic levels between different voltage domains, ensuring compatibility between different integrated circuits.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74AHC14PW include:

1. CD40106B: Hex Schmitt-trigger inverter IC with a wider operating voltage range of 3 V to 18 V.
2. MC74VHC1G14: Single Schmitt-trigger inverter IC with a lower operating voltage range of 2 V