Semiconductor memory

Details Semiconductor memory Semiconductor memory

1998-05-05

2000-01-04

Phan, Trong

Static information storage and retrieval

Read/write circuit

Differential sensing

365205, 365207, 365208, G11C 702, G11C 700

Patent

active

060117397

ABSTRACT:
Disclosed is a semiconductor memory which performs stable sensing operation and minimizes the size of a device. The semiconductor memory having a plurality of bit lines and a plurality of word lines, includes a plurality of memory cells formed on crossing points of the respective bit lines and the respective word lines, a plurality of dummy cells formed on crossing points of one of the bit lines and a plurality of word lines, upper and lower sensing amplifiers respectively connected to the bit lines, for sensing data of the memory cells by inputting low and high reference levels depending on the dummy cells, and an input/output pad connected to respective output terminals of the upper and lower sensing amplifiers.

REFERENCES:
patent: 4831591 (1989-05-01), Imazeki et al.
patent: 5255235 (1993-10-01), Miyataka et al.
patent: 5737260 (1998-04-01), Takata et al.
patent: 5764581 (1998-06-01), Nix
1996 IEEE International Solid-State Circuit Conference, Session 9/Paper FA9.4.

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