Other

Takahiro Hatazawa

Kazuki Honma

Katsuhiro Haruyama

Fumiaki Kitajima

Terutaka Okada

Hiroyuki Motomatsu

A semiconductor device includes a first semiconductor chip having a non-volatile memory array which has a first memory area for storing input information of usual operation, and a second memory area for storing historical information of an electrical characteristic test of the first memory area. The device further includes a second semiconductor chip having a volatile memory array with a third memory area for storing input information of usual operation. Historical information of an electrical characteristic test of the third memory area of the second semiconductor chip is stored into the second memory area of the first semiconductor chip.

Growing community of inventors

Akita, Japan

Takahiro Hatazawa