Hello,
I want to confirm I/O specification of UCD9090A
VIH is defined as “2.1 – 3.6V with V33DIO = 3V” in the datasheet(See the below).
Usually max I/O input voltage is defined as a kind of VDD+0.3V in digital device.
Does this device really support up to 3.6V input with V_33DIO=3V?
Also this device doesn’t have V_33DIO pin. Is it V33D?
On the other hand, in Max absolute column in the datasheet, max input voltage is V33A+0.3V.
How to think about it? Isn't it related to V33D?
The background of the question is that a system could have input over VDD+0.3V a little and I want to confirm whether it is OK or not.
Regards,
Oba
