Semiconductor integrated circuit device having connection...

Details Semiconductor integrated circuit device having connection... Semiconductor integrated circuit device having connection...

2005-04-26

2005-04-26

Peikari, B. James (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S002000, C710S013000, C710S301000

Reexamination Certificate

active

06886076

ABSTRACT:
An IC has pads provided on the conductors that are connected to the input/output terminals of a memory block thereof so as to allow the input/output pads of an external memory chip to be connected to the pads of the IC. By superposing the memory chip on the IC with their pads mutually connected, expansion of memory is achieved without increasing the chip size. The IC has a control circuit for determining whether to use the memory block or the memory chip so as to allow switching between them as required.

REFERENCES:
patent: 3753235 (1973-08-01), Daughton et al.
patent: 5214570 (1993-05-01), Shah et al.
patent: 5514907 (1996-05-01), Moshayedi
patent: 5677877 (1997-10-01), Yoon et al.
patent: 6026039 (2000-02-01), Kim et al.
patent: 6043430 (2000-03-01), Chun
patent: 6233157 (2001-05-01), Yoon et al.
patent: A3268450 (1991-11-01), None

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