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The best way for DDR3 routing T-topology
baoNG , 05-30-2019, 03:14 AM
Hi Sir.
i'm routing 2 DDR3 using T-TOPOLOGY like the image
The way i do it is:
After setting X-signal CA and CB.
I'm using Manual to calculate and matching A1 and B1, A2 and B2, A3 and B3 (Manual Tunning)
Then, I'm matching CA or CB using length matching rules in altium.
but it is a waste of time, how to the best way to routing DDR3 T-branch?
Thank you so much
i'm routing 2 DDR3 using T-TOPOLOGY like the image
The way i do it is:
After setting X-signal CA and CB.
I'm using Manual to calculate and matching A1 and B1, A2 and B2, A3 and B3 (Manual Tunning)
Then, I'm matching CA or CB using length matching rules in altium.
but it is a waste of time, how to the best way to routing DDR3 T-branch?
Thank you so much
robertferanec , 05-31-2019, 02:13 AM
You are doing it right. The trick is - try to place VIA as close as possible to MIDDLE of Ax-Bx. That will make length matching of Ax-Bx much more simple.
Comments:
baoNG, 05-31-2019, 03:33 AM
Yeah, Thank you so much.
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