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Altera_Forum's avatar
Altera_Forum
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11 years ago

simulation doesn't work well

hi, i asked to build a multiplier 2X4. my problem, as you can see in the image, that signal s5 starts one cycle before the others. all the signals connected well and i have no idea why it happen...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Its definitely a signal initialisation issue. You need to ensure the values in your testbench that drive your DUT are given initial values.