Overview
The 74HC14D/DG118, produced by NXP USA Inc., is a hex inverting Schmitt trigger integrated circuit. This device is part of the 74HC family, known for its high-speed CMOS technology and low power dissipation. It is designed to convert slowly changing input signals into sharply defined, jitter-free output signals, making it highly useful in various digital circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 2.0 V to 6.0 V |
| Maximum Current per Gate Output | 25 mA |
| Maximum Total Current through VCC or GND | 50 mA |
| Operating Temperature | -40°C to 125°C |
| Package Type | 14-SOIC (SOT108-1) |
| Propagation Delay (typ. at VCC = 5 V) | 11 ns |
| Power Dissipation (max. at Ta = 25°C) | 1.0 µA |
| Noise Immunity | High |
| ESD Protection | Up to 2 kV |
Key Features
- High-speed operation with propagation delays as low as 11 ns at VCC = 5 V
- Low power dissipation, with a maximum current of 1.0 µA at Ta = 25°C
- High noise immunity due to Schmitt trigger inputs
- Wide supply voltage range from 2.0 V to 6.0 V
- CMOS low power dissipation
- Inputs equipped with protection circuits against static discharge and transient excess voltage
- Unlimited input rise and fall times
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
Applications
The 74HC14D/DG118 is versatile and can be used in a variety of applications, including:
- Line receivers to handle slow input signals
- Interface circuits to convert analog signals to digital signals
- Noise reduction in digital circuits
- Automotive and industrial control systems
- Consumer electronics and mobile devices
- Computing and power management systems
Q & A
- What is the primary function of the 74HC14D/DG118 IC?
The primary function is to act as a hex inverting Schmitt trigger, converting slowly changing input signals into sharply defined output signals.
- What is the supply voltage range for the 74HC14D/DG118?
The supply voltage range is from 2.0 V to 6.0 V.
- What is the maximum current allowed per gate output?
The maximum current allowed per gate output is 25 mA.
- What is the operating temperature range for this IC?
The operating temperature range is from -40°C to 125°C.
- What type of package does the 74HC14D/DG118 come in?
The IC comes in a 14-SOIC (SOT108-1) package.
- Does the 74HC14D/DG118 have ESD protection?
Yes, it has ESD protection up to 2 kV.
- What is the typical propagation delay at VCC = 5 V?
The typical propagation delay is 11 ns at VCC = 5 V.
- Is the 74HC14D/DG118 suitable for high-noise environments?
Yes, it has high noise immunity due to its Schmitt trigger inputs.
- Can the 74HC14D/DG118 be used in automotive applications?
Yes, it is suitable for use in automotive and industrial control systems.
- Does the IC have any special power-saving features?
Yes, it has low power dissipation, with a maximum current of 1.0 µA at Ta = 25°C.
