Overview
The 74HCT14D,653 is a hex inverting Schmitt trigger integrated circuit produced by Nexperia USA Inc. This device is part of the 74HCT series, known for its compatibility with TTL (Transistor-Transistor Logic) levels. The 74HCT14D,653 features six independent inverting Schmitt trigger circuits, each with reduced input threshold levels, making it suitable for interfacing with TTL logic levels.
This component is widely used in various electronic designs due to its robust performance and versatility. It is available in a 14-pin SOIC (Small Outline Integrated Circuit) package, which is surface mountable, enhancing its suitability for modern PCB (Printed Circuit Board) designs.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | 74HCT14D,653 |
| Manufacturer | Nexperia USA Inc. |
| Package / Case | 14-SOIC (0.154, 3.90mm Width) |
| Number of Pins | 14 |
| Logic Level - High | 1.9V ~ 2.1V |
| Logic Level - Low | 0.5V ~ 0.6V |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Supply | 4.5V ~ 5.5V |
| Output Current | 25mA |
| Max Propagation Delay @ V, Max CL | 34ns @ 4.5V, 50pF |
| Current - Quiescent (Max) | 2μA |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| RoHS Status | ROHS3 Compliant |
Key Features
- Schmitt Trigger Inputs: The device features six independent inverting Schmitt trigger circuits, which provide hysteresis to improve noise immunity.
- TTL Compatibility: Designed to interface with TTL logic levels, making it versatile for various applications.
- Low Power Consumption: Quiescent current of 2μA, contributing to energy-efficient designs.
- High Output Drive Capability: Capable of driving up to 25mA, suitable for a wide range of load conditions.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, making it suitable for harsh environmental conditions.
- Surface Mount Package: Available in a 14-pin SOIC package, which is surface mountable, enhancing PCB design flexibility.
Applications
The 74HCT14D,653 is used in a variety of applications across different industries, including:
- Automotive Systems: For signal conditioning and noise reduction in automotive electronics.
- Industrial Control Systems: To provide reliable and noise-immune signal processing in industrial environments.
- Consumer Electronics: In devices such as audio equipment, home appliances, and other consumer electronics where TTL compatibility is required.
- Computing and Networking: For signal buffering and conditioning in computing and networking hardware.
- Medical Devices: Where precise signal processing and noise immunity are critical.
Q & A
- What is the primary function of the 74HCT14D,653?
The primary function of the 74HCT14D,653 is to act as a hex inverting Schmitt trigger, providing six independent inverting Schmitt trigger circuits.
- What is the operating voltage range of the 74HCT14D,653?
The operating voltage range is 4.5V to 5.5V.
- What is the maximum propagation delay of the 74HCT14D,653?
The maximum propagation delay is 34ns at 4.5V with a 50pF load capacitance.
- Is the 74HCT14D,653 RoHS compliant?
- What is the moisture sensitivity level (MSL) of the 74HCT14D,653?
The MSL is 1 (Unlimited).
- What is the terminal finish of the 74HCT14D,653?
The terminal finish is Nickel/Palladium/Gold (Ni/Pd/Au).
- What is the maximum output current of the 74HCT14D,653?
The maximum output current is 25mA.
- What is the quiescent current of the 74HCT14D,653?
The quiescent current is 2μA.
- In what package is the 74HCT14D,653 available?
The 74HCT14D,653 is available in a 14-pin SOIC package.
- What are the typical applications of the 74HCT14D,653?
The 74HCT14D,653 is used in automotive, industrial, consumer electronics, computing, and medical devices.
- Is the 74HCT14D,653 suitable for high-temperature environments?
