I design bus 2.5V <--> 3.3V
by figure 3 of SN74CB3T16210 datasheet , I think Vout = Vcc-0.2 (at VI<VCC+1)
but in figure 4, Vout may down to VCC - 0.7 and if Vcc = 2.5V, 3.3V device can't reconize HIGH.
I read some of application note and I think Vcc = 2.5V is correct (in 2.5V bus<--> 3.3V bus)
but, previous design in my company(isn't my design), Vcc = 3.3V and It working correct!
What voltage of vcc is correct? 2.5V? 3.3V?