#10999 NORM Not Tri: XO-1.75 A3 idt1338 chip loses oscillator over laptop power cycle
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Fri Jun 17 00:37:44 EDT 2011
#10999: XO-1.75 A3 idt1338 chip loses oscillator over laptop power cycle
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Reporter: Quozl | Owner: wad
Type: defect | Status: assigned
Priority: normal | Milestone: Not Triaged
Component: hardware | Version: 1.75-A2
Resolution: | Keywords:
Next_action: diagnose | Verified: 0
Deployment_affected: | Blockedby:
Blocking: |
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Comment(by wad):
And bingo, the data sheet implies that the Vdd fall time on power off must
be less than 1V/mS when passing through the power fail region (1.7 to
1.4V), using the little noticed tVCCF parameter.
I'll propose a quick fix and test it out tmw.
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Ticket URL: <http://dev.laptop.org/ticket/10999#comment:12>
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