SN74LS14DR

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1. Description

Each circuit in SNx414 and SN74LS14DR functions as an inverter. However, because of the Schmitt-Trigger action, they have different input threshold levels for positive-going (VT+) and negative-going (VT–) signals. These circuits are temperature compensated and can be triggered from the slowest of input ramps and still give clean, jitter-free output signals.

2. Features

    1. Operation From Very Slow Edges

    2. Improved Line-Receiving Characteristics

    3. High Noise Immunity

3. Applications

    1. HVAC Gateways

    2. Residential Ductless Air Conditioning Outdoor Units

    3. Robotic Controls

    4. Industrial Stepper Motors

    5. Power Meter and Power Analyzers

    6. Digital Input Modules for Factory Automation

4. Pin Configuration

5. Pin Functions

6. Application Information

The SNx414 and SN74LS14DR device is a Schmitt-Trigger input CMOS device that can be used for a multitude of inverting buffer type functions. The application shown here takes advantage of the Schmitt-Trigger inputs to produce a delay for a logic input.