Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Speed grade, and maximum frequency?

Hello, I am working with a Cyclone 2, speed grade 8. According with this speed grade the maximum frequency is 125 MHz. Questions: 1. Why the manual of CYCLONE, says that the M4K ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

--- Quote Start ---

??????????

--- Quote End ---

Hi dbotero,

where does the 125Mhz coming from ????

The clock speed of a design is in most cases limited by the design itself. It depends on

the logic levels between the registers. Of course there is a limit, but if you look into the small project you will see the Cyclone2 speed 8 runs much faster ! BTW: that is wors-case!

Kind regards

GPK