May 29, 2010 #1 R rashika17 Newbie level 2 Joined May 29, 2010 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,292 Can anyone explain in term of usage what is the basic difference betwwen synchronizer and lockup latch
Can anyone explain in term of usage what is the basic difference betwwen synchronizer and lockup latch
Jun 3, 2010 #2 E eshwartt Junior Member level 3 Joined Oct 27, 2007 Messages 27 Helped 7 Reputation 14 Reaction score 8 Trophy points 1,283 Activity points 1,497 Hi Rashika, A Synchronizer handles situations where data needs to move from faster clock domain to slower clock domain or vice-versa whereas lockup latch doesn't allow data to cross between two clock domains. Regards, Eshwar.
Hi Rashika, A Synchronizer handles situations where data needs to move from faster clock domain to slower clock domain or vice-versa whereas lockup latch doesn't allow data to cross between two clock domains. Regards, Eshwar.
Jun 3, 2010 #3 M muni123 Member level 3 Joined Apr 28, 2007 Messages 64 Helped 4 Reputation 8 Reaction score 2 Trophy points 1,288 Location India Activity points 1,625 A lockup latch is used to prevent data corruption caused by overwriting of new data over the present data before the clock edge occurs refer this post:
A lockup latch is used to prevent data corruption caused by overwriting of new data over the present data before the clock edge occurs refer this post:
Jun 5, 2010 #4 R rashika17 Newbie level 2 Joined May 29, 2010 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,292 Thanks for answer, But lockup latch delays the data by around half cycle not stops the data to propogate. Please correct me if I am wrong. Thanks
Thanks for answer, But lockup latch delays the data by around half cycle not stops the data to propogate. Please correct me if I am wrong. Thanks
Jun 7, 2010 #5 S somu.atluri Guest synchronizer flop is generally used to avoid metastability lockup latch is used to add a half cycle to avoid setup/hold issues between two flops.
synchronizer flop is generally used to avoid metastability lockup latch is used to add a half cycle to avoid setup/hold issues between two flops.