Semiconductor memory

Details Semiconductor memory Semiconductor memory

2007-03-27

2007-03-27

Lam, David (Department: 2827)

Static information storage and retrieval

Read/write circuit

Including signal comparison

C365S189090, C365S210130

Reexamination Certificate

active

10901260

ABSTRACT:
A semiconductor memory has a plurality of memory cells having a single-ended digit structure. When reading data from a selected memory cell, a digit voltage outputted from the selected memory cell is compared with a reference voltage. If the digit voltage is higher, it is outputted as High level; if the digit voltage is lower, it is outputted as Low level. The semiconductor memory further has a plurality of dummy cells with different current capacity to generate a plurality of different levels of reference voltages.

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