Semiconductor integrated circuit device allowing change of produ

Details Semiconductor integrated circuit device allowing change of produ Semiconductor integrated circuit device allowing change of produ

1995-05-05

1997-05-27

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Testing

365222, G11C 700

Patent

active

056338279

ABSTRACT:
A semiconductor integrated circuit device capable of changing the product specification. The semiconductor integrated circuit device comprises an integrated circuit section containing a first circuit section having a first function and a second circuit section having a second function, and active signal generator means for producing an active signal for activating the first circuit section or the second circuit section. To change the product specification, the integrated circuit device further comprises receiving means for taking in a decision signal for determining the product specification, switching signal generator means, connected to the receiving means, for producing a switching signal for changing the product specification based on the decision signal, and switching means which receives the active signal and the switching signal, and which, based on the switching signal, changes the supply of the active signal to either the first circuit section or to the second circuit section.

REFERENCES:
patent: 4862420 (1989-08-01), Toda et al.
patent: 4933907 (1990-06-01), Kumanoya et al.
patent: 4990800 (1991-02-01), Lee
patent: 5023843 (1991-06-01), Love
patent: 5109360 (1992-04-01), Inazumi et al.
Horiguchi et al., "A Tunable CMOS-DRAM Voltage Limiter with Stabilized Feedback Amplifier", IEEE Journal of Solid-State Circuits, Oct. 1990, No. 5, New York, pp. 1129-1134.

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