| 摘要 |
PROBLEM TO BE SOLVED: To provide a noise-resisting semiconductor storage device which is stable against noise. SOLUTION: A power source circuit 126, which becomes a noise generating source, and an oscillation circuit, etc., are arranged concentrically, and their outer circumference is surrounded by a guard ring GRD. This guard ring GRD is provided, on such a manner that a bonding pad PD is arranged at least on a part of its upper section. Since the guard ring GRD is provided taking full advantage of the region located under the bonding pad PD, an effective noise measure can be provided while the increase in chip area is suppressed. |
