If there is any difference between "output hold time" and "minimum clock-to-out", perhaps the only difference is in what measurement levels were used. They could be identical, couldn't they? What do you mean by, "because there is a period of time where the data is invalid at the driver pin?" By definition, I think, clock-to-out(min) is the earliest time that the output could change. It is not necessarily the earliest time that the output could become valid at its new state. But it is the earliest time that the previous state becomes invalid. Between clock-to-out(min) and clock-to-out(max), the output is undefined. Regards, Andy ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu