Overview
The SN74LS14DRG4 is a hex Schmitt-Trigger inverter integrated circuit produced by Texas Instruments. This device is part of the SN74LS14 series and is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package. It operates within a voltage range of 4.75V to 5.25V and is designed for use in a variety of digital logic applications. The SN74LS14DRG4 features six independent inverters, each with Schmitt-Trigger inputs, which provide high noise immunity and the ability to operate from very slow transition edge inputs.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC (14 pins) |
| Package Size | 4.90 mm × 3.91 mm |
| Operating Temperature Range | 0°C to 70°C |
| Voltage Supply Range | 4.75V to 5.25V |
| Maximum Frequency at Nominal Voltage | 35 MHz |
| Input Type | TTL (Transistor-Transistor Logic) |
| Output Type | CMOS (Complementary Metal-Oxide-Semiconductor) |
| Output Drive (IOL/IOH) | -0.4 mA / 8 mA |
| Propagation Delay at Nominal Voltage | 22 ns |
| Power Consumption (ICC) at Nominal Voltage | 0.06 mA |
Key Features
- Operation From Very Slow Edges: The SN74LS14DRG4 can be triggered from the slowest of input ramps, providing clean and jitter-free output signals.
- Improved Line-Receiving Characteristics: The Schmitt-Trigger inputs enhance the device's ability to handle noisy or slow inputs.
- High Noise Immunity: The device is designed to provide high noise immunity, making it suitable for applications where signal integrity is crucial.
- Temperature Compensation: The circuits are temperature compensated, ensuring stable operation across the specified temperature range.
Applications
- HVAC Gateways: Used in heating, ventilation, and air conditioning systems for reliable signal processing.
- Residential Ductless Air Conditioning Outdoor Units: Enhances the reliability of outdoor units in residential air conditioning systems.
- Robotic Controls: Utilized in robotic systems for stable and noise-immune signal processing.
- Industrial Stepper Motors: Applied in industrial automation for precise motor control.
- Power Meter and Power Analyzers: Used in power measurement and analysis equipment for accurate signal handling.
- Digital Input Modules for Factory Automation: Employed in factory automation systems to ensure reliable digital input processing.
Q & A
- What is the primary function of the SN74LS14DRG4?
The SN74LS14DRG4 functions as a hex Schmitt-Trigger inverter, providing six independent inverter circuits.
- What is the operating voltage range of the SN74LS14DRG4?
The device operates within a voltage range of 4.75V to 5.25V.
- What type of inputs does the SN74LS14DRG4 have?
The device has TTL (Transistor-Transistor Logic) inputs with Schmitt-Trigger action.
- What is the maximum frequency at nominal voltage for the SN74LS14DRG4?
The maximum frequency at nominal voltage is 35 MHz.
- What is the propagation delay at nominal voltage for the SN74LS14DRG4?
The propagation delay at nominal voltage is 22 ns.
- What are the key features of the SN74LS14DRG4?
The key features include operation from very slow edges, improved line-receiving characteristics, high noise immunity, and temperature compensation.
- What are some common applications of the SN74LS14DRG4?
Common applications include HVAC gateways, residential ductless air conditioning outdoor units, robotic controls, industrial stepper motors, power meters, and digital input modules for factory automation.
- What is the package type and size of the SN74LS14DRG4?
The device is packaged in a 14-pin SOIC package with dimensions of 4.90 mm × 3.91 mm.
- What is the operating temperature range of the SN74LS14DRG4?
The operating temperature range is from 0°C to 70°C.
- How does the Schmitt-Trigger action benefit the SN74LS14DRG4?
The Schmitt-Trigger action provides high noise immunity and allows the device to handle noisy or slow inputs without oscillation or excessive current draw.
