Patent ID: 8686572

Claim:
A multi-chip stack module comprising: a frame having a first plurality of pads on a first surface and a second plurality of pads on a second surface opposite the first surface; a first chip arranged in an opening of the frame, the first chip comprising a first plurality of contacts electrically connected to the first plurality of pads on the first surface of the frame; and a second chip arranged adjacent to the first chip, the second chip comprising a second plurality of contacts electrically connected to the second plurality of pads on the second surface of the frame, wherein the first plurality of contacts comprises a first set of isolated contacts and the second plurality of contacts comprises a second set of isolated contacts, and wherein the frame further comprises a first set of vias electrically connecting pads of the second plurality of pads electrically connected to the second set of isolated contacts to respective solder bumps arranged on the first surface of the frame.