Sense amplifier having shared dummy cell

Details Sense amplifier having shared dummy cell Sense amplifier having shared dummy cell

1993-09-13

1995-06-13

Nguyen, Viet Q.

Static information storage and retrieval

Systems using particular element

Capacitors

365208, 365207, 365210, 365196, G11C 1100, G11C 700

Patent

active

054249775

ABSTRACT:
The present invention describes a circuit and method for utilizing a single dummy cell for each sense amplifier in a dynamic random access memory (DRAM) device. A precharge transistor connects a dummy cell capacitor to a reference potential and decoded selection transistors. The use of decoded selection transistors provides a means to share the dummy cell capacitor between either input of a differential or sense amplifier thereby reducing required area and circuit complexity.

REFERENCES:
patent: 4606010 (1986-08-01), Saito
patent: 4636987 (1987-11-01), Norwood et al.
patent: 4947373 (1990-08-01), Yamaguchi et al.
patent: 4951256 (1990-08-01), Tobita
patent: 4961166 (1990-10-01), Sato et al.
patent: 5291437 (1994-03-01), Rountree

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