The maximum frequency of operation for the 74HC123D,652 is 25 MHz.
Ensure that the device is powered with a stable voltage supply between 2V and 6V, and that the power supply noise is minimized to prevent malfunction.
The 74HC123D,652 can sink or source up to 25mA of current per output pin.
Ensure that the power supply is ramped up and down slowly to prevent damage to the device, and that the input signals are stable before applying power.
The recommended operating temperature range for the 74HC123D,652 is -40°C to 125°C.