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
> LSI Logic Corp.                Voice: +1-719-533-7560
> 4420 ArrowsWest Dr.              Fax: +1-719-533-7036
> Colo Spgs, CO 80907              BBS: +1-719-533-7950
> 
> *
> * For T10 Reflector information, send a message with
> * 'info t10' (no quotes) in the message body to majordomo at symbios.com
> *
> * For T10 Reflector information, send a message with
> * 'info t10' (no quotes) in the message body to majordomo at symbios.com
> 
*
* For T10 Reflector information, send a message with
* 'info t10' (no quotes) in the message body to majordomo at symbios.com





More information about the T10 mailing list