Semiconductor memory and method of setting type
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United States of America Patent
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Jul 23, 1996
Grant Date -
N/A
app pub date -
Feb 3, 1994
filing date -
Feb 19, 1993
priority date (Note) -
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Abstract
A semiconductor chip is provided with a function selection circuit for selecting memory functions according to the information stored in nonvolatile memory elements is sealed in a package, and the memory functions are set finally by writing the nonvolatile memory element in that state or in a state in which the semiconductor chip is mounted on a board. By setting the type of a semiconductor memory according to the above procedure, the process from the wafer process up to the assembling step can be made common, and hence the mass-productibity and the production control can be facilitated. Semiconductor memories having memory functions conforming to user specifications can be provided in a short time.
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