Overview
The MC74AC14DG, produced by onsemi, is a Hex Inverter Schmitt Trigger integrated circuit. This device is part of the high-performance silicon-gate CMOS family and is designed to accept standard CMOS input signals and provide standard CMOS output levels. It is particularly useful for transforming slowly changing input signals into sharply defined, jitter-free output signals, offering a greater noise margin compared to conventional inverters.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| VCC (DC Supply Voltage) | 2.0 to 6.0 | V | |
| VI (DC Input Voltage) | −0.5 to VCC + 0.5 | V | |
| VO (DC Output Voltage) | −0.5 to VCC + 0.5 | V | |
| IOH (Output Current - High) | −24 | mA | |
| IOL (Output Current - Low) | 24 | mA | |
| TSTG (Storage Temperature Range) | −65 to 150 | °C | |
| TA (Operating Ambient Temperature Range) | −40 to 85 | °C | |
| tPLH (Propagation Delay) | 1.5 to 15.0 | ns | VCC = 3.3 V to 5.5 V, CL = 50 pF |
| tPHL (Propagation Delay) | 1.5 to 13.0 | ns | VCC = 3.3 V to 5.5 V, CL = 50 pF |
| CIN (Input Capacitance) | 4.5 | pF | VCC = 5.0 V |
| CPD (Power Dissipation Capacitance) | 25 | pF | VCC = 5.0 V |
Key Features
- Schmitt Trigger Inputs: The device features Schmitt trigger inputs which provide hysteresis between the positive-going and negative-going input thresholds, making it insensitive to temperature and supply voltage variations.
- High Noise Margin: Offers a greater noise margin compared to conventional inverters.
- Output Current Capability: Outputs can source/sink up to 24 mA.
- TTL Compatible Inputs (MC74ACT14): The MC74ACT14 version has TTL compatible inputs.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements.
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant: Environmentally friendly packaging.
Applications
- Digital Logic Circuits: Ideal for use in digital logic circuits where clean, jitter-free signals are necessary.
- Noise Reduction: Useful in applications where noise reduction is critical, such as in signal conditioning and filtering.
- Automotive Electronics: AEC-Q100 qualified, making it suitable for automotive applications.
- Industrial Control Systems: Can be used in industrial control systems where reliable and stable signal processing is required.
- Consumer Electronics: Applicable in various consumer electronic devices requiring robust digital signal handling.
Q & A
- What is the primary function of the MC74AC14DG?
The primary function of the MC74AC14DG is to act as a hex inverter with Schmitt trigger inputs, transforming slowly changing input signals into sharply defined, jitter-free output signals.
- What is the operating voltage range for the MC74AC14DG?
The operating voltage range for the MC74AC14DG is from 2.0 V to 6.0 V.
- What is the maximum output current capability of the MC74AC14DG?
The outputs can source/sink up to 24 mA.
- Is the MC74AC14DG suitable for automotive applications?
- What is the significance of the Schmitt trigger inputs in the MC74AC14DG?
The Schmitt trigger inputs provide hysteresis between the positive-going and negative-going input thresholds, making the device insensitive to temperature and supply voltage variations and reducing noise.
- What are the package options available for the MC74AC14DG?
The MC74AC14DG is available in SOIC-14 and TSSOP-14 packages.
- Is the MC74AC14DG environmentally friendly?
- What is the propagation delay range for the MC74AC14DG?
The propagation delay range for the MC74AC14DG is from 1.5 ns to 15.0 ns, depending on the supply voltage and load capacitance.
- Can the MC74AC14DG be used in industrial control systems?
- What is the storage temperature range for the MC74AC14DG?
The storage temperature range for the MC74AC14DG is from −65°C to 150°C.
