The maximum frequency of operation for the SN74AC08D is typically around 100 MHz, but this can vary depending on the specific application and operating conditions.
To ensure proper operation, the SN74AC08D should be powered with a stable 5V supply, and decoupling capacitors (e.g. 0.1uF and 10uF) should be placed close to the device to filter out noise and reduce electromagnetic interference (EMI).
The input voltage threshold for the SN74AC08D is typically around 2.0V for a logic high and 0.8V for a logic low, but this can vary depending on the specific application and operating conditions.
While the SN74AC08D is specified for 5V operation, it can be used in a 3.3V system with some limitations. The device will still function, but the output voltage levels may not be fully compliant with 3.3V logic levels, and the noise margin may be reduced.
The SN74AC08D is a relatively low-power device, but it can still generate heat, especially at high frequencies. To handle the heat, ensure good airflow around the device, and consider using a heat sink or thermal pad if the device is expected to operate at high temperatures or frequencies.
SN74AC08D datasheet
by Texas Instruments
