Input/output device having shared active area

Details Input/output device having shared active area Input/output device having shared active area

1997-01-10

1999-11-02

Nguyen, Viet Q.

Static information storage and retrieval

Read/write circuit

Bad bit

365205, 36518901, 365190, H01L 1702

Patent

active

059782870

ABSTRACT:
An input/output device for use with an array of memory cells having a digitline and a complement of the digitline running through the array is fabricated on a substrate having active areas formed therein. Sensing transistors have terminals fabricated in the active areas which are responsive to the digitline and the complement of the digitline for sensing signals thereon in a read operation. Switching transistors have terminals fabricated in the active areas which are responsive to the sensing transistors for selectively conducting the signals sensed by the sensing transistors. Certain terminals of the sensing transistors and certain terminals of the switching transistors are fabricated in the same active area.

REFERENCES:
patent: 5196233 (1993-03-01), Chan et al.
patent: 5309047 (1994-05-01), Tiede et al.
patent: 5330929 (1994-07-01), Friester et al.
patent: 5330933 (1994-07-01), Chan et al.
patent: 5616940 (1997-04-01), Kato et al.
patent: 5761182 (1997-09-01), Yin
patent: 5825687 (1998-10-01), Yin
patent: 5875127 (1999-02-01), Yin

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