Patent ID: 6492727
Filing Date: 2002-12-10
Classification: H01L

Abstract:
A semiconductor device comprising:a memory chip; and a controller chip for access-controlling the memory chip, wherein the memory chip and the controller chip are contained in a single package; wherein a signal (CEl) for the controller chip to select the memory chip is connected inside the package to the memory chip; wherein a signal (CEn) for the controller chip to select an expansion memory located outside the package is output to a first external terminal of the package; wherein address/data/command signals and access-control signals, except the signal (CEn), for the controller chip to access the expansion memory are input/output to and from a second external terminal of the package; and wherein a part of address/data/command signals and access control signals, except the signal (CEl) for the controller chip to access the memory chip is commonly input/output to and from the second external terminal to connect the part of the signals to the memory chip via external connections outside the package and a third external terminal of the package, and another part of the address/data/commercial signals and access control signals are connected, inside the package, to the memory chip.