Forexample, device types may include memory devices such as DRAM, SRAM, flash memory, or non-memory devices such as the CPU, ASIC, and other devices.Chip LayoutFIG. 3 illustrates a plan view of device chips of different device types according to an exemplary embodiment of the present invention.As shown in FIG. 3, the device chips 21, 31 and 41 may be formed with a first chip size, irrespective of