Overview
The 74HC14D/C4118, produced by NXP USA Inc., is a hex inverting Schmitt trigger integrated circuit. This device is part of the 74HC family and is fabricated using silicon gate C2MOS technology. It combines high-speed operation with low power consumption, making it suitable for a wide range of digital logic applications. The 74HC14D features six independent Schmitt trigger input inverters with standard push-pull outputs, allowing it to transform slowly changing input signals into sharply defined, jitter-free output signals.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range (VCC) | 2.0 to 6.0 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Propagation Delay (tpd) | 11 ns (typ.) at VCC = 5 V | ns |
| Output Drive Capability | ± 5.2 mA | mA |
| Power Dissipation | 1.0 µA (max) at Ta = 25 °C | µA |
| Package Type | SO14 (SOT108-1) | |
| ESD Protection | 200 V Machine Model, 2000 V Human Body Model | V |
Key Features
- High speed operation with a propagation delay of 11 ns (typ.) at VCC = 5 V.
- Low power dissipation, with a maximum current consumption of 1.0 µA at Ta = 25 °C.
- Wide supply voltage range from 2.0 to 6.0 V, allowing for flexibility in different power supply environments.
- Schmitt trigger inputs with hysteresis, providing high noise immunity and transforming slowly changing input signals into sharply defined output signals.
- ESD protection exceeds JESD 22 standards, including 200 V Machine Model and 2000 V Human Body Model.
- Balanced propagation delays (tPLH ≈ tPHL).
- Protection circuits against static discharge or transient excess voltage on all inputs).
Applications
The 74HC14D/C4118 is versatile and can be used in various applications across different industries, including:
- Automotive systems: For signal conditioning and noise reduction in automotive electronics).
- Industrial control systems: To handle slow-changing input signals and provide stable output signals).
- Consumer electronics: In devices requiring low power consumption and high noise immunity).
- Computing and data processing: As line receivers to improve signal integrity).
- Mobile and wearable devices: Where low power and high speed are critical).
Q & A
- What is the primary function of the 74HC14D/C4118?
The primary function of the 74HC14D/C4118 is to act as a hex inverting Schmitt trigger, providing six independent inverter circuits with Schmitt trigger inputs.
- What is the supply voltage range for the 74HC14D/C4118?
The supply voltage range for the 74HC14D/C4118 is from 2.0 to 6.0 V.
- What is the typical propagation delay of the 74HC14D/C4118 at VCC = 5 V?
The typical propagation delay is 11 ns at VCC = 5 V.
- What type of ESD protection does the 74HC14D/C4118 have?
The 74HC14D/C4118 has ESD protection that exceeds JESD 22 standards, including 200 V Machine Model and 2000 V Human Body Model.
- What is the operating temperature range for the 74HC14D/C4118?
The operating temperature range is from -40 to 125 °C.
- What is the package type of the 74HC14D/C4118?
The package type is SO14 (SOT108-1).
- How does the Schmitt trigger function improve signal integrity?
The Schmitt trigger function transforms slowly changing input signals into sharply defined, jitter-free output signals, providing high noise immunity.
- Can the 74HC14D/C4118 be used in automotive applications?
Yes, the 74HC14D/C4118 can be used in automotive systems for signal conditioning and noise reduction.
- What is the maximum current consumption of the 74HC14D/C4118 at Ta = 25 °C?
The maximum current consumption is 1.0 µA at Ta = 25 °C.
- Are the inputs of the 74HC14D/C4118 protected against static discharge?
Yes, all inputs are equipped with protection circuits against static discharge or transient excess voltage.
