Customer use PCA9548A to switch the channel. When they write the data to control register and read the data from PCA9548A to check the data.But if the Interval time of write and read is below 0.5s, the data of read always is 0x00.If the interval time is over 0.5s, the data is right. The control logic is right and switch to right channel when the data of read is 0x00.
PCA9548A from other brands will not experience this issue. Previously, customers have also used TI's PCA9548A and have not encountered this issue.
All of PCA9548A in this LOT will experience this situation.