Semiconductor memory having data preset function

Details Semiconductor memory having data preset function Semiconductor memory having data preset function

1993-04-13

1994-12-27

Popek, Joseph A.

Static information storage and retrieval

Read/write circuit

365149, 36523006, G11C 700

Patent

active

053771427

ABSTRACT:
A DRAM having a data preset function is disclosed. A memory cell includes connectors which are formed of contact holes or through holes and which can be selectively formed in order to program preset data. For example, when preset data "0" is programmed, connectors are formed, and connector 17 is not formed. When a data precharge signal of a high level is applied, a transistor is turned on and as a result, a data storage capacitor is discharged. In other words, predetermined data is written into capacitor. Thus, the DRAM having the data preset function is provided.

REFERENCES:
patent: 4935896 (1990-06-01), Matsumura et al.
patent: 4970689 (1990-11-01), Kenney
patent: 5029141 (1991-07-01), Yoshimoto et al.
patent: 5040143 (1991-08-01), Matsumura et al.

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