Datasheet

Errata for FM25640B
1850 Ramtron Drive
Colorado Springs, CO 80921
719-481-7000 FAX: 719-488-9095
www.ramtron.com
Errata Number 001
Date March 10, 2011
Product FM25640B
Recent testing has uncovered a problem with the FM25640B at cold temperatures.
These parts meet the current datasheet specifications with the following exceptions:
1. All datasheet parameters are as specified provided the operating temperature is -15°C.
2. If -25°C minimum operating temperature is required, then you must comply with a minimum VDD Fall
Time (tVF) of 200µs/V.
There is a design change in process to improve the cold temperature performance. An update will be issued when
the design change has been verified.

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