Mar 25, 2010 #1 jitendravlsi Full Member level 2 Joined Jul 21, 2008 Messages 132 Helped 8 Reputation 16 Reaction score 5 Trophy points 1,298 Activity points 2,136 Hi All, Please tell me what will be the max freq for this circuit to work? here clock buffer delay is 8 ns. thanx jit
Hi All, Please tell me what will be the max freq for this circuit to work? here clock buffer delay is 8 ns. thanx jit
Mar 25, 2010 #2 W windzjy Newbie level 5 Joined Nov 12, 2007 Messages 8 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,281 Activity points 1,307 it seems that this circuit can't work, because the hold time requirment is not met
Mar 25, 2010 #3 R raju3295 Full Member level 4 Joined Jan 4, 2007 Messages 205 Helped 17 Reputation 34 Reaction score 4 Trophy points 1,298 Activity points 2,376 hi jiten, You have to fix the hold first to make the circuit work , i,e add a delay of 3 ns to the combo, then it can work at a ck period of 3ns.
hi jiten, You have to fix the hold first to make the circuit work , i,e add a delay of 3 ns to the combo, then it can work at a ck period of 3ns.
Mar 25, 2010 #4 jitendravlsi Full Member level 2 Joined Jul 21, 2008 Messages 132 Helped 8 Reputation 16 Reaction score 5 Trophy points 1,298 Activity points 2,136 Dear Raju, with addition of just 3 ns in combo delay will not make this circuit to work because in this case hold will violate with 2ns. here we have to increase the combo delay by 5 ns so both setup and hold will meet their requirement without violation. thanx jit
Dear Raju, with addition of just 3 ns in combo delay will not make this circuit to work because in this case hold will violate with 2ns. here we have to increase the combo delay by 5 ns so both setup and hold will meet their requirement without violation. thanx jit
Mar 26, 2010 #5 R raju3295 Full Member level 4 Joined Jan 4, 2007 Messages 205 Helped 17 Reputation 34 Reaction score 4 Trophy points 1,298 Activity points 2,376 yep,, mis calculated