Constraints on the output signal in output buffers

[husseinadel]

hello

i want to know when designing an output buffer,,when do i say "i accept this waveform" ,,i.e. is there any constraints on the output signal???....as in my application i didnt find a constraint in my output signal
so, is there a standard thing for the output buffers or the system will have a jitter budget and i will have a part in it ?
thanks

 

[dachou]

output buffers

ya
what kind of io buffer in us desing?
digital? analog?
there are many kinds of buffer.
eg. cmos, ttl, differential output, small swing gotta a reference ....

 

[Sakr]

Re: output buffers

is there a standard thing for the output buffers or the system will have a jitter budget and i will have a part in it ?

I haven't fully understood your question...
But, if you mean "what are the constraints on the output signal?", then this is dependant on the application, and you can find it in the standards documents for your app.

 

[husseinadel]

Re: output buffers

is there a standard thing for the output buffers or the system will have a jitter budget and i will have a part in it ?

I haven't fully understood your question...
But, if you mean "what are the constraints on the output signal?", then this is dependant on the application, and you can find it in the standards documents for your app.

hello Eng. sakr ,,, usually the application concerns with the important core of the IC,,it determines its specs,,but about the output buffer(CML and LVDS)no one talks about its specs,,as if it seems it is a standarized block for many systems,,,,