Patent ID: 9589614
Date: 2017-03-07
CPC Classifications: G06F,G11C

Claim:
1. A storage device comprising: a first nonvolatile memory group including a plurality of first nonvolatile memory chips; a second nonvolatile memory group including a plurality of second nonvolatile memory chips; a memory controller connected to the first nonvolatile memory group and the second nonvolatile memory group in common through a plurality of input/output lines and at least one control line that are each connected to both the first nonvolatile memory group and the second nonvolatile memory group; and a group select circuit connected to the memory controller through the at least one control line and a plurality of chip enable lines, wherein the memory controller is configured to select one of the first and second nonvolatile memory groups using the at least one control line and then control communication with the selected one of the first and second nonvolatile memory groups through the plurality of input/output lines using the at least one control line.