Part Number: ISO7221A-Q1
The datasheet was revised on the other day and some spec were degraded as attached.
Why were specs degraded?
I think that this degrading is an abnormal situation.
Thank you for listing out some of the changes made to ISO7221A-Q1 datasheet. Please note that these are not degradation in specs, rather a more useful specifications that cover power supply variations. Please see below my inputs,
I hope this answers your question, thanks.
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In reply to Koteshwar Rao:
Thank you for your quick response.
I understand what you say.
In this case, why were specifications not added but changed?
Can we consider that previous specifications is also guaranteed actually?
In reply to Kuramochi Tadahiko:
Even though the earlier specifications are all correct, customers might assume them to be wrong.
For example consider let's consider propagation delay. Propagation delay was earlier quoted at VCC = 5V but when customer tests it in their lab or in customer product where if the VCC value is either lower or higher than 5V then they might see a propagation delay value which is larger than earlier datasheet value. This can make customer believe that device is not meeting datasheet values whereas the actual increase in propagation delay is due to VCC voltage variation and not datasheet violation.
Hence, the specs were updated to reflect realistic values. Please note that the changes were done to existing specs and no new specs were added. Hence, there was no addition but an update of an existing specs itself.
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