balamanikandan
Member level 1
Hi,
1. I would like to know the difference and importance of AC & DC Logic input levels (VIH(AC)& VIH(DC) ) for single-ended signals in DDR3.
2. For logic High (input) , should the signal level be higher than VIH (AC)min or VIH(DC)min?
3. What is the importance and meaning of VIH(AC 175) and VIH(AC 150)
please explain.
1. I would like to know the difference and importance of AC & DC Logic input levels (VIH(AC)& VIH(DC) ) for single-ended signals in DDR3.
2. For logic High (input) , should the signal level be higher than VIH (AC)min or VIH(DC)min?
3. What is the importance and meaning of VIH(AC 175) and VIH(AC 150)
please explain.