Depth in FIFO's

Hey All, Can any body expalin me how can we know the depth of FIFO's when my writing (16bit data)with 400 Mhz clock and reading (16bit data)with 125 Mhz clock. Its great for me if any one can explain with other example clearly. renu.........

Asked By: renu_vlsi
On: Jun 11, 2005 12:26:26 AM

Comments(3)

Hi Renu, Some more data is needed to caluculate the depth of the fifo. With this data we can not caluculate the depth. We need more data like how freqently the input data will arrive and how frequently the data will be read out from fifo. Once we have those data I can tell how to caluculate the depth. OK Look the link : http://vlsibank.com/sessionspage.asp?titl_id=1024 http://vlsibank.com/sessionspage.asp?titl_id=1546 Regards Theja

Comment By: avvaru_theja
On: Jun 14, 2005 7:17:18 AM

Thanks Mr.Venkatesh, But,can u explain me how do thumb rule comes under this calculation? renu......

Comment By: renu_vlsi
On: Jun 13, 2005 7:19:08 AM

i think it should be a minimum of 400/125=3.2=4 since the thumb rule is that u shd not miss out any data.bye

Comment By: venkateshr
On: Jun 13, 2005 2:14:27 AM

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