NZMM7V0T4
Detailed Device Schematic
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Applications Information
Suppressing Noise at the Source
? Filter all I/O signals leaving the noisy environment
? Locate I/O driver circuits close to the connector
? Use the longest rise/fall times possible for all digital signals
Reducing Noise at the Receiver
? Filter all I/O signals entering the unit
? Locate the I/O filters as close as possible to the connector
Minimizing Noise Coupling
? Use multilayer PCBs to minimize power and ground inductance
? Keep clock circuits away from the I/O connector
? Ground planes should be used whenever possible
? Minimize the loop area for all high speed signals
? Provide for adequate power decoupling
ESD Protection
? Locate the suppression devices as close to the I/O connector as
possible
? Minimize the PCB trace length to the suppression device
? Minimize the PCB trace length for the ground return for the
suppression device
http://onsemi.com
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