Method and apparatus to generate a reference value in a...

Details Method and apparatus to generate a reference value in a... Method and apparatus to generate a reference value in a...

2005-10-04

2005-10-04

Phung, Anh (Department: 2824)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S203000, C365S207000, C365S196000

Reexamination Certificate

active

06952376

ABSTRACT:
An apparatus and method for generating a reference in a memory circuit are disclosed. At least two dummy bit-cells are used to generate a reference voltage. One cell has high value stored and the other has a low value stored. The cells are activated and discharged into respective bit-lines. The bit-lines are equalized during the discharge process to generate a reference that is approximately a mid point between a high value cell and a low value cell.

REFERENCES:
patent: 5881008 (1999-03-01), Becker
patent: 6501695 (2002-12-01), Brown
patent: 6717877 (2004-04-01), Suzuki et al.
patent: 6781863 (2004-08-01), Kang

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