The maximum frequency of operation for the CD74HC423M is 25 MHz.
Yes, the CD74HC423M can operate with a power supply voltage range of 2V to 6V, including 5V.
To minimize power consumption, ensure that the VCC pin is connected to a stable power supply, and the OE (Output Enable) pin is tied low to disable the outputs when not in use.
The CD74HC423M can sink or source up to 25mA of current per output pin.
The CD74HC423M is rated for operation from -40°C to 85°C, but it's recommended to derate the device for high-temperature operation to ensure reliability.