The maximum operating frequency of the 74HCU04D is 100 MHz, but it can be influenced by factors such as supply voltage, temperature, and load capacitance.
To ensure proper power supply, connect VCC to a stable 5V power source, and GND to a reliable ground connection. Also, decouple the power supply with a 100nF capacitor to reduce noise and ensure stable operation.
The maximum input voltage that the 74HCU04D can handle is 5.5V, which is the absolute maximum rating. However, it's recommended to keep the input voltage within the recommended operating range of 4.5V to 5.5V for reliable operation.
Yes, the 74HCU04D can be used in a 3.3V system, but the output voltage will be limited to 3.3V. Additionally, the input voltage threshold may be affected, and the device may not operate at the same speed as it would at 5V.
The 74HCU04D is a low-power device, but it can still generate heat. To handle the heat, ensure good airflow around the device, and consider using a heat sink or thermal pad if the device is operating at high frequencies or in high-temperature environments.
74HCU04D datasheet
by NXP Semiconductors
