ADF4377 reset pulse (input "L" to CE) duration

Question

If I want to input a reset signal to initialize the ADF4377, is there a guideline for how long I need to input "L" to CE?

emrecangidik · Accepted Answer

Hi, 
 I found out that bringing CE low: 
 
 Immediately (maybe in 1ns) stops all the analog circuits. 
 But requires &ge;100&micro;s to discharge the 1.8V supply enough to reset the digital. 
 
 Therefore, we recommend minimum of 100us low pulse at the CE pin to reset the part. 
 Thanks, 
 Emrecan)

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ADF4377 reset pulse (input "L" to CE) duration