Low voltage semiconductor memory device

Details Low voltage semiconductor memory device Low voltage semiconductor memory device

2005-05-10

2009-08-11

Ho, Hoai V (Department: 2827)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S149000, C365S189090, C365S189110, C365S207000

Reexamination Certificate

active

07573768

ABSTRACT:
A semiconductor memory device having a cell array area for reading or storing data, including: a normal cell block including a plurality of normal cells, each being coupled to one of a bit line and a bit line bar for storing a data; and a reference cell block including a plurality of reference cell units, each including a reference capacitor, a first reference transistor for connecting a first terminal of the reference capacitor to the bit line, a second reference transistor for connecting the first terminal of the reference capacitor to the bit line bar, and a third reference transistor connected to a reference voltage for supplying the reference voltage to the first terminal of the reference capacitor.

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