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Altera_Forum's avatar
Altera_Forum
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9 years ago

Fast memory searching/Content Addressable Memory (CAM) methods?

Hello all, Would anyone recommend a better way to do quick associative lookups for 128-bit addresses? Are Content Addressable Memories (CAMs) still possible in modern FPGAs? I'm using a lowl...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I had to do a CAM module for a network switch who had to store MAC addresses and I ended up doing a state machine and a hash table. It works great but you can't guarantee any access time (in the worst case scenario all the addresses have the same hash and you still need to read each one of them to get the result).

ACamm2's avatar
ACamm2
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6 years ago

Hi,

is it possible to have the CAM code?

thanks in advance