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TL16C550D read timing

Other Parts Discussed in Thread: TL16C550D

Hello,

My customer uses the TL16C550D.

He uses that under conditions as attach file.

2133.1805.TL16C550D_timing.pdf

According to the datasheet, the hold time CS valid after /RD is 10nsec (min.).

But his CPU format, these signal change at the same time. So the hold time is 0nsec.

Is it possible to operate?

Regards,

Naoki Aoyama