The recommended operating voltage range for the 74HC7403D is 2.0 V to 6.0 V, with a typical voltage of 5.0 V.
When the input pins are not in use, they should be tied to VCC or GND through a pull-up or pull-down resistor to prevent floating inputs and reduce power consumption.
The maximum frequency of operation for the 74HC7403D is typically around 100 MHz, but this can vary depending on the specific application and operating conditions.
To ensure that the output signals are not distorted or attenuated, it is recommended to use a suitable output load, such as a 1 kΩ to 10 kΩ resistor, and to keep the output signal lines as short as possible.
Yes, the 74HC7403D can be used in a 3.3 V system, but the input and output voltage levels should be adjusted accordingly to ensure proper operation.