Committed to Memory


Two DDR Tidbits

The definition of tidbit is:

1:  a choice morsel of food

2:  a choice or pleasing bit (as of information)

I’m going with the second one here.

DDR Tidbit #1

Did you happen to see last week’s episode of The Big Bang Theory called “The Indecision Amalgamation” that includes DDR memory getting a shout out?  At one point, the show featured Emmy award winning ultra-nerd Sheldon Cooper talking to his girlfriend Amy about his video game purchase dilemma – whether to buy the PS4 or the XBOX One.  Sheldon quips that he doesn’t think Amy is paying proper attention to his problem.  She apologizes and then feigns interest with overly enthusiastic responses as Sheldon explains the memory each system uses (DDR3 versus GDDR5).  The brief and comical exchange can be viewed at

DDR Tidbit #2

On a more serious note, DRAM vendor Micron Technology has a wonderful web site that is loaded with very useful information if you know where to look.  Some of the most useful information found there are their DRAM related application notes which Micron calls “Technical Notes”.  I have recently discovered a new one about DDR titled “Using DDR4 in Networking Subsystems”.  The name is a bit misleading and it is definitely worth a read as it contains an excellent overview of DDR4 and many of the new features found in DDR4 (15 pages worth!) and ends with design considerations for a few typical networking applications.  Be sure to look through the other technical notes from the past, there are some nuggets in there.  Thanks, Micron.

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