Semiconductor wafer, semiconductor chip, semiconductor device and method for manufacturing semiconductor device
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United States of America Patent
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Nov 18, 2003
Grant Date -
May 23, 2002
app pub date -
Nov 13, 2001
filing date -
Nov 22, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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.
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