Sep 19, 2013 #1 A alam4vlsi Member level 1 Joined Sep 12, 2013 Messages 40 Helped 8 Reputation 16 Reaction score 7 Trophy points 8 Activity points 220 Hi, In my design the worst IR Drop(135 mv DVD) is under always on metal strap... How can i reduce the IR Drop? Please help
Hi, In my design the worst IR Drop(135 mv DVD) is under always on metal strap... How can i reduce the IR Drop? Please help
Sep 20, 2013 #2 A artmalik Full Member level 5 Joined Mar 13, 2013 Messages 253 Helped 91 Reputation 182 Reaction score 85 Trophy points 1,308 Location San Diego Activity points 2,997 a) Add more decaps b) Spacing out the high current consuming current gates/blocks and staggering their activity so they dont consume a lot of curren. c) Making the power network better with more vias, and wider straps and more often power straps.
a) Add more decaps b) Spacing out the high current consuming current gates/blocks and staggering their activity so they dont consume a lot of curren. c) Making the power network better with more vias, and wider straps and more often power straps.
Sep 22, 2013 #3 R rca Advanced Member level 5 Joined May 20, 2010 Messages 1,527 Helped 355 Reputation 710 Reaction score 336 Trophy points 1,363 Location Marin Activity points 8,773 To complete the point c, you could connect the metal filling to power nets, that will also reduce the resistivity.
To complete the point c, you could connect the metal filling to power nets, that will also reduce the resistivity.