It should be labelled Class I. The SSTL2 spec. does not specify an upper limit on drive capability. So, even a Class II driver is Class I compliant. Thanks, Vinu Rajat Chauhan wrote: > Hi all, > I am asked to design SSTL2 Tx to drive 50ohm line (unterminated). What >i did is, sized my buffer to give first step equal to VDDS/2 at near end >with 50ohm line connected. Without giving any look to SSTL2 JEDEC specs. >It can drive SSTL2 Rx. > The confusion is, is this realy a SSTL2 Tx? > If Yes, how do i label it as class-I or class-II, because it comes >out to be some where in between the two? For class-II it is weak and for >class-I it is too strong. > If No, than that means we cannot have good SSTL2 Tx to drive 50ohm >line (unterminated)? > >I am stucked....please help, i am missing something. >Thanking in advance, >Regards >Rajat >------------------------------------------------------------------ >To unsubscribe from si-list: >si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > >or to administer your membership from a web page, go to: >//www.freelists.org/webpage/si-list > >For help: >si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > >List archives are viewable at: > //www.freelists.org/archives/si-list >or at our remote archives: > http://groups.yahoo.com/group/si-list/messages >Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > > > > > ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu