Overview
The MC74HC14ADTG, produced by onsemi, is a high-performance silicon-gate CMOS hex Schmitt-trigger inverter. This device is designed to improve the signal integrity of slow input rise and fall times, making it particularly useful in noisy environments due to its hysteresis voltage characteristic. The MC74HC14ADTG is compatible with CMOS, NMOS, and TTL logic families, enhancing its versatility in various digital circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | –0.5 to +6.5 | V |
| DC Input Voltage (VIN) | –0.5 to VCC + 0.5 | V |
| DC Output Voltage (VOUT) | –0.5 to VCC + 0.5 | V |
| Operating Voltage Range | 2.0 to 6.0 | V |
| Output Drive Capability | 10 LSTTL Loads | |
| Low Input Current | 1.0 µA | |
| Maximum Propagation Delay (tPLH, tPHL) | 13 to 110 ns (depending on VCC and temperature) | ns |
| Maximum Output Transition Time (tTLH, tTHL) | 13 to 36 ns (depending on VCC and temperature) | ns |
| Maximum Input Capacitance (Cin) | 10 pF | pF |
| Power Dissipation Capacitance (CPD) per Inverter | 22 pF (typical at 25°C, VCC = 5.0 V) | pF |
| Storage Temperature Range | –65 to +150 °C | °C |
| Lead Temperature (1 mm from Case for 10 Seconds) | 260 °C | °C |
Key Features
- High-performance silicon-gate CMOS technology
- Hex Schmitt-trigger inverter with hysteresis voltage for improved noise immunity
- Output drive capability of 10 LSTTL loads
- Direct interface to CMOS, NMOS, and TTL logic families
- Operating voltage range of 2.0 to 6.0 V
- Low input current of 1.0 µA
- In compliance with JEDEC Standard No. 7.0 A requirements
- AEC-Q100 qualified and PPAP capable for automotive and other critical applications
- Pb-free, halogen-free/BFR-free, and RoHS compliant
Applications
The MC74HC14ADTG is suitable for a variety of applications where signal integrity and noise immunity are crucial. These include:
- Noisy environments where signal degradation is a concern
- Digital circuits requiring the squaring of slow input rise and fall times
- Automotive and industrial control systems
- Consumer electronics requiring robust digital signal processing
- Telecommunication equipment and networking devices
Q & A
- What is the primary function of the MC74HC14ADTG?
The MC74HC14ADTG is a hex Schmitt-trigger inverter designed to improve signal integrity by squaring slow input rise and fall times and providing high noise immunity.
- What is the operating voltage range of the MC74HC14ADTG?
The operating voltage range is from 2.0 to 6.0 V.
- What is the output drive capability of the MC74HC14ADTG?
The device can drive up to 10 LSTTL loads.
- Is the MC74HC14ADTG compatible with other logic families?
Yes, it is compatible with CMOS, NMOS, and TTL logic families.
- What is the significance of hysteresis voltage in the MC74HC14ADTG?
The hysteresis voltage provides high noise immunity, making the device suitable for noisy environments.
- What are the storage and operating temperature ranges for the MC74HC14ADTG?
The storage temperature range is –65 to +150 °C, and the operating temperature range is typically within this storage range but depends on the specific application.
- Is the MC74HC14ADTG RoHS compliant?
Yes, the device is Pb-free, halogen-free/BFR-free, and RoHS compliant.
- What is the maximum propagation delay of the MC74HC14ADTG?
The maximum propagation delay (tPLH, tPHL) ranges from 13 to 110 ns, depending on VCC and temperature.
- How should unused inputs and outputs be handled?
Unused inputs must be tied to an appropriate logic voltage level (GND or VCC), and unused outputs must be left open.
- Is the MC74HC14ADTG suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other critical applications.
