Consider short enough traces for round-trip delay reflections within the one-shot duration of 10-30 ns.
Consider any tolerances of any additional RC
components, similar to the data sheet recommendations.
Consider utilizing fast enough input edges per
the input transition rate while avoiding floating inputs as stated in the data
sheets.
Unless otherwise noted in the data sheets, makes
sure <70 pF lumped capacitance designed for performance per the data sheet’s
recommended data rates.
Avoid timing-out the one-shot duration with additional parasitic capacitance as trace length and connectors yields additional capacitive loading.
One-shot triggers when they detect rising or falling edges. Reflections and or ringing can cause false triggers. Ringing is also caused by capacitance and inductance of long cables and or traces and can also be amplified by unstable GND or VCC voltages.
Consider the impact on temperature per the output impedance, as mismatched impedance with PCB traces yield reflections that can be amplified by the one-shot as false edge triggers.