Overview
The 74HCT14D/C118 is a logic IC produced by NXP USA Inc., specifically designed as a 6-channel Schmitt Trigger inverter. This integrated circuit is part of the 74HCT series, known for its compatibility with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels. The device is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for surface mount applications. The 74HCT14D/C118 is widely used in digital circuits where stable and reliable signal inversion with hysteresis is required.
Key Specifications
| Specification | Description |
|---|---|
| Manufacturer | NXP USA Inc. |
| Series | 74HCT |
| Package | 14-SOIC (0.154" | 3.90mm Width) |
| Logic Type | Inverter |
| Number of Circuits | 6 |
| Number of Inputs | 1 per circuit |
| Features | Schmitt Trigger |
| Voltage - Supply | 4.5V ~ 5.5V |
| Current - Quiescent (Max) | 2 µA |
| Current - Output High, Low | 4mA, 4mA |
| Input Logic Level - Low | 0.5V ~ 0.6V |
| Input Logic Level - High | 1.9V ~ 2.1V |
| Max Propagation Delay @ V, Max CL | 34ns @ 4.5V, 50pF |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| RoHS Status | Not applicable |
Key Features
- Schmitt Trigger Input: Provides hysteresis to improve noise immunity and prevent multiple switching due to noise.
- 6 Independent Inverters: Each inverter can operate independently, allowing for multiple signal inversions in a single package.
- Wide Operating Voltage Range: Compatible with supply voltages from 4.5V to 5.5V, making it versatile for various applications.
- Low Quiescent Current: Maximum quiescent current of 2 µA, which is beneficial for power-sensitive designs.
- High Output Drive Capability: Can drive outputs up to 4mA, suitable for driving other logic circuits or small loads.
- Compact SOIC Package: Surface mount package with a width of 0.154" (3.90mm), ideal for space-constrained designs.
Applications
- Digital Signal Processing: Used in circuits where stable and reliable signal inversion is necessary, such as in digital filters and signal conditioning circuits.
- Noise Reduction: The Schmitt Trigger feature helps in reducing the effects of noise in digital signals, making it suitable for noisy environments.
- Logic Gates and Inverters: Can be used as part of more complex logic circuits, such as in digital controllers, microprocessor systems, and other digital logic applications.
- Automotive and Industrial Control Systems: Its wide operating temperature range and robust design make it suitable for use in automotive and industrial control systems.
Q & A
- What is the primary function of the 74HCT14D/C118 IC?
The primary function of the 74HCT14D/C118 IC is to act as a 6-channel Schmitt Trigger inverter.
- What is the supply voltage range for the 74HCT14D/C118?
The supply voltage range for the 74HCT14D/C118 is from 4.5V to 5.5V.
- What is the maximum quiescent current of the 74HCT14D/C118?
The maximum quiescent current of the 74HCT14D/C118 is 2 µA.
- What is the maximum propagation delay of the 74HCT14D/C118?
The maximum propagation delay of the 74HCT14D/C118 is 34ns at 4.5V with a load capacitance of 50pF.
- What is the operating temperature range of the 74HCT14D/C118?
The operating temperature range of the 74HCT14D/C118 is from -40°C to 125°C.
- What type of package does the 74HCT14D/C118 come in?
The 74HCT14D/C118 comes in a 14-pin SOIC (Small Outline Integrated Circuit) package.
- What is the purpose of the Schmitt Trigger feature in the 74HCT14D/C118?
The Schmitt Trigger feature provides hysteresis to improve noise immunity and prevent multiple switching due to noise.
- Can the 74HCT14D/C118 be used in automotive applications?
Yes, the 74HCT14D/C118 can be used in automotive applications due to its wide operating temperature range and robust design.
- How many independent inverters does the 74HCT14D/C118 contain?
The 74HCT14D/C118 contains 6 independent inverters.
- What is the output drive capability of the 74HCT14D/C118?
The output drive capability of the 74HCT14D/C118 is up to 4mA for both high and low outputs.
