Spec issue on MSE leakage current in SPI-3
Walter Bridgewater
wally at eng.adaptec.com
Thu Apr 29 11:27:23 PDT 1999
* From the T10 Reflector (t10 at symbios.com), posted by:
* wally at eng.adaptec.com (Walter Bridgewater)
*
If VCC is 3.3 volts, is it fair that you measure leakage
at 4.1 volts?
Is this one of the main points of this issue?
>
> * From the T10 Reflector (t10 at symbios.com), posted by:
> * "Gingerich, Kevin" <k-gingerich at ti.com>
> *
> VCC is not a signal defined by the standard.
>
> -----Original Message-----
> From: John Lohmeyer [mailto:lohmeyer at ix.netcom.com]
> Sent: Thursday, April 29, 1999 12:01 PM
> To: T10 Reflector
> Subject: Spec issue on MSE leakage current in SPI-3
>
>
> * From the T10 Reflector (t10 at symbios.com), posted by:
> * John Lohmeyer <lohmeyer at ix.netcom.com>
> *
> One of our circuit designers has noticed that the leakage current spec for
> MSE in SPI-3 (Table 16 on page 50) says that the 20 uA maximum leakage
> applies from local ground to 4.1 V. In SPI-2 rev 14 this specification was
> over the range of local ground to Vcc. Does anyone remember why this upper
> parameter was changed from Vcc to 4.1 V? We would like to change this spec
> range back to local ground to Vcc in SPI-3.
>
> John
>
>
> --
> John Lohmeyer Email: lohmeyer at ix.netcom.com
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