HMC624A Direct Parallel Mode

Question

Hello, 
 When using Direct Parallel Mode of HMC624A, what termination is required to CLK, SERIN, SEROUT, PUP1 and PUP2? Pull-up, Pull-down, Open, termination to GND or x ohm termination to GND? 
 Please give an answer within this week. 
 Best Regards,

salemdar · Accepted Answer

When the part is used in parallel mode, we don&rsquo;t prefer to leave unused pins such as SERIN/CLK floating. Instead, SERIN and CLK could be pulled down to ground so that they have a defined voltage.)

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HMC624A Direct Parallel Mode