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US 2003/0147285 A1Published application
Memory cell configuration
AssigneeInfineon Technologies AG
InventorUdo Ausserlechner
Life of this patent
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Abstract
A memory cell configuration has a nonvolatile memory that can be latched by a latching element. The nonvolatile memory is latched by activating a copy of the latching memory cell, which is coupled to the latching memory cell, and can be activated in a manner dependent on the operating state using an activation element. This makes it possible to identify and avoid incorrect programming, in particular in the case of calibratable sensors.
Claims8
A memory cell configuration, comprising:
- a nonvolatile memory including a latching memory cell for indicating a read protection and/or a write protection of said nonvolatile memory;
- a latching element for preventing read operations and/or write operations on said nonvolatile memory, said latching element coupled to said nonvolatile memory;
- and
- an additional memory element having an input coupled to said latching memory cell and an output connected to said latching element for driving said latching element.
1 more element
Dependencies are inferred from the claim text.