🚀 go-pugleaf

John Williams wrote:
> John Larkin <jjlarkin@highlandSNIPtechTHISnologyPLEASE.com> wrote in message 
> 
> 
>><jwilliams@itee.uq.edu.au> wrote:
>>
>>
>>>I'm looking for a 2.5V, 100MHz clock source, preferably in a surface 
>>>mount package.  Any part or supplier suggestions?
>>>
>>>2.5V operation is my highest priority.  Existence of an Australian 
>>>supplier would also be helpful!
>>
> 
>>Um, how accurate? 
> 
> 
> Well I'm not measuring the speed of light - but +/- 100ppm or so would
> be good.
> For any future critical time keeping applications I could use an RTC
> chip or whatever.
>  
> 
>>Must it be a crystal oscillator?
> 
> 
> Not necessarily - just simple and stable - basically just solder it in
> and off I go...
> 
> 
>>Why 2.5 volts? Clocking an FPGA or something?
> 
> 
> Precisely - and the IO bank onto which this clock comes is driving
> some 2.5V DDR, so I don't have a lot of room to manoeuvre.
> 
> The FPGA is actually hosting a soft core microprocessor (running our
> linux port no less!), so I'm just generating a processor clock with
> it.  The FPGA has a digital clock synthesiser inside it that I could
> use, but I'd prefer not to "waste" one if I don't need to (since the
> DDR drive logic needs a couple as well).
> 
> But I should ask...  what are my options for simple and stable 2.5V
> oscillators and lower frequencies (24Mhz, 66Mhz, ...)??
> 
> Thanks,
> 
> John

This will do it:

http://www.eea.epson.com/go/Prod_Admin/Categories/EEA/QD/SAW_Products/SAW_Oscillators/displayItem?itemId=EG2021CA&categoryId=EEA.QD.SAW_Products.SAW_Oscillators

-or-

http://www.eea.epson.com/go/Prod_Admin/Categories/EEA/QD/SAW_Products/SAW_Oscillators/go/Resources/TestC2/EG2021CA

If you can't paste that link, then the P/N is  EG-2021CA at:
http://www.eea.epson.com/go/EEA