Semiconductor memory and method of setting type

Details Semiconductor memory and method of setting type Semiconductor memory and method of setting type

1994-02-03

1996-07-23

Popek, Joseph A.

Static information storage and retrieval

Read/write circuit

365222, 365201, G11C 700

Patent

active

055396925

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.

REFERENCES:
patent: 4965768 (1990-10-01), Takeuchi
patent: 5212652 (1993-05-01), Agrawal et al.
patent: 5249155 (1993-09-01), Arimoto et al.
patent: 5343406 (1994-08-01), Freeman et al.

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