Sense amplifier circuit

Details Sense amplifier circuit Sense amplifier circuit

1998-10-15

2000-11-28

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 75, 36518521, 36518907, 341135, G11C 1134, G01R 19165, H03F 345

Patent

active

06154065&

ABSTRACT:
A sense-amplifier circuit comprising a plurality of sub-sense-amplifiers corresponding to respective reference potentials can operate fast when used for a multivalued information memory. The sense amplifier circuit is composed of sub-sense-amplifiers having different polarities according to corresponding reference potentials: a sub-sense-amplifier SN3 having the highest reference potential is of N (polarity) type and a sub-sense-amplifier SP1 having the lowest reference potential is of P (polarity) type. All sub-sense-amplifiers can operate according to improved characteristics assuring a reduced access time.

REFERENCES:
patent: 4574276 (1986-03-01), Sato
patent: 4590391 (1986-05-01), Valley
patent: 5532627 (1996-07-01), Kearney et al.
patent: 5751632 (1998-05-01), Choi et al.
patent: 5796273 (1998-08-01), Jung et al.
patent: 5808932 (1998-09-01), Irrinki et al.
patent: 5889419 (1999-03-01), Fischer et al.

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