Patent ID: 8138610

Claim:
A multi-chip package (MCP) comprising a plurality of devices arranged in a stack, comprising: a package substrate defining a printed circuit board (PCB) interfacing surface for interfacing with a PCB and a device interfacing surface opposite the PCB interfacing surface; a first device of the plurality of devices attached to the device interfacing surface, the first device having a plurality of landing pads on a top surface of the first device; a second device of the plurality of devices attached to the first device via electrical connections between a plurality of landing pads on a bottom surface of the second device and the plurality of landing pads on the top surface of the first device; a third device of the plurality of devices attached to the second device via electrical connections between a plurality of landing pads on a bottom surface of the third device and the plurality of landing pads on the top surface of the second device; and an encapsulation material encapsulating the first, second, and third devices, wherein one of the attached devices that is farther from the package substrate in the stack than a different attached device transmits a control signal to the different attached device that changes a functionality of the different attached device relative to the functionality of the different attached device when the one of the attached devices is not attached within the MCP.