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TXB0108: lock B4 to High

Part Number: TXB0108
Other Parts Discussed in Thread: SN74LVC1G125, SN74LVC1G126


The customer power sequence is as follows:
1. VCCA, OE=1.8V and VCCB=3.3V are applied
2. After 10s
3. Boots 1.8V processor and 3.3V processor

Customers want to lock B4 to High for 10s from the time 1.8V is applied to the OE until the processor starts.
Is there any good way?

Since there is an internal pull-up resistance as shown in the following material, do not I need to take any measures?

Or should I install a pull-up resistance of more than 50kohm?

Best Regards,