Selecting Appropriate Series Termination Resistor Value
You must perform a simulation to determine the suitable series resistor value for your interface within the allowable tolerance condition. Choosing the appropriate resistor value for series termination is important:
- If the resistance is too small, the termination may not effectively reduce or eliminate the overshoot.
- If the resistance is too large, the driver may not sufficiently drive the transmission line and it can result in a stair-step response.
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