The re-sequencing count is reset when all re-sequencing rails stay above the POWER_GOOD threshold for more than 1 second. Once the re-sequencing count is exhausted, the device does not perform any resequencing until a reset or power cycle is triggered.
For more FAQ please check the following document.
UCD90xxx Family Frequently Asked Questions and Answers
UCD9090 UCD9090A UCD90120 UCD90120A UCD90124 UCD90124A UCD90160 UCD90160A UCD90240 UCD90320 UCD90320U