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TLC59401: Problem with SOUT

Part Number: TLC59401

I'm trying to do a software code to use two TLC59401 in series. None of them work despite I do not see anything wrong with the code (all signals seem Ok in the logic analyzer). I have noticed a strange behavior in SOUT (see image below). I'm sending the value 32 in DC mode, in two cycles. In the second cycle, SOUT is supposed to replicate the value of the first cycle of SIN, but it is always a little bit to the left  so the value in SOUT is always wrong. ¿Is this normal? ¿could the chips be defective? (maybe I heated them to much when soldering?)