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US 2004/0057273 A1Published application
Historical information storage for integrated circuits
AssigneeInfineon Technologies AG
InventorsMichael Klaus Jacob, Joerg Wilfried Wohlfahrt, Norbert Rehm, Hans-Oliver Joachim
Life of this patent
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Abstract
The present invention describes an information recorder which is integrated into an IC, such as ferroelectric RAM device. The recorder counts desired events, such as memory accesses or length of time powered up and stores such information in a latch. The information can be retrieved from the latch to assist in failure analysis and device characterization.
Claims14
An integrated circuit (IC) comprising:
- a recording circuit including;
- a counter for receiving an event signal;
- and
- a latch coupled to the counter, the counter counts the event signal and stores the count value in the latch.
1 more element
Dependencies are inferred from the claim text.