Semiconductor integrated circuit device

Details Semiconductor integrated circuit device Semiconductor integrated circuit device

2005-09-13

2005-09-13

Lam, David (Department: 2827)

Static information storage and retrieval

Read/write circuit

Bad bit

C365S219000, C365S221000

Reexamination Certificate

active

06944073

ABSTRACT:
A conventional semiconductor integrated circuit device suffers from the increasing difficulty in definitely setting the output state of a redundancy circuit as the number of conductor layers increases. To overcome this inconvenience, according to the present invention, a semiconductor integrated circuit device has a first semiconductor chip having a nonvolatile memory for storing redundancy information, and has a second semiconductor chip having a conversion circuit for converting the redundancy information output in the form of serial data from the nonvolatile memory into parallel data and a redundancy circuit of which the output state is definitely set by receiving the parallel data output from the conversion circuit.

REFERENCES:
patent: 6400617 (2002-06-01), Aikawa et al.
patent: 10-144862 (1998-05-01), None

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