The recommended operating voltage range for the CD54HC08F is 2V to 6V.
To ensure proper power supply, connect the VCC pin to a stable voltage source, and decouple the power supply with a 0.1uF capacitor between VCC and GND.
The maximum frequency of operation for the CD54HC08F is 1 MHz.
Input signals should be limited to 0V to VCC to prevent damage to the device. Also, ensure that input signals are not left floating, and use pull-up or pull-down resistors as necessary.
The maximum output current for the CD54HC08F is 25mA per output pin.