Forum Discussion
Altera_Forum
Honored Contributor
21 years agoExternal SRAM timing
Hi Based on comments I've seen on the software side of Niosforum, I am getting the impression that there may be timing issues when using external SRAM and the Altera supplied components. I...
Altera_Forum
Honored Contributor
21 years agowe especially had a problem with the setup time of
SRAM (ISSI) IS61LV25616AL-10T. I also got the tip from altera engeneer to reduce driver strengh on bus signals e.g. with set_instance_assignment -name CURRENT_STRENGTH_NEW 4MA -to D\[0\] we now use setup 1,wait 1, hold 1 cycle and 4 mA on bus signals (signals have less reflections)