Be mindful of rise time and fall time
specifications for the output enable pins to ensure that the right
buffers are enabled and the others are disabled in time. This minimizes
interference on the microcontroller pin and to exterior circuitry. See
Switching Characteristics, VCC = 3.3 V ±0.3
V and Switching Characteristics, VCC = 5 V ±0.5
V table for more details.
Recommended Output Conditions:
Load currents must not exceed IO
maximum per output and must not exceed continuous current through
VCC or GND total current for the part. These limits are
located in the Absolute Maximum Ratings.