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Subject:	Component rate of change ramping temperature
From:	"Mariani, Stephen" <[log in to unmask]>
Reply To:	(Designers Council Forum)
Date:	Mon, 23 Jan 2006 07:52:44 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (24 lines)

We need to know how component vendors document the rate of change for
ramping temperature up or down.

A simple example of interest is going from storage to operational
temperature range, say from the low storage temp to the low operational
temp. For example Xilinx Virtex2 Pro going from -65C to -40C. Or PowerPC
going from -55C to -???C (see below).

Similar for going from high temp storage to high temp operating.

How fast is too fast? 20C per minute? 10C per minute? 5C per minute?

Thanks


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