The Supreme Court of Pennsylvania held that a victim is "unconscious" under 18 Pa. Cons. Stat. section 3121(3) even if the victim can remember some details of the rape.
Commonwealth v. Erney, 698 A.2d 56 (Pa. 1997).
Melissa A. Struzzi,
Criminal Law - Rape - Unconscious Victim,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol36/iss3/12