Pointless question...

Eric Smith eric at brouhaha.com
Thu Jul 24 12:02:02 CDT 2008


Chuck Guzis wrote:
> I was musing today about the old recirculating stores (mercury delay 
> line, magnetostrictive, acoustic, etc.) used for memory on old iron.
> 
> Suppose one wanted simulate one in modern components.  How would you 
> do it, if you had, say, a million bits to store?  

CCD memory, e.g., 16 pieces of Intel 2464.

 > Would you use a 1x1Mb DRAM and a counter to cycle through the
 > addresses?  Or an 8x128Kb SRAM with an external 8 bit shift register?

Oh, *that* modern.  If I was just building one, I certainly wouldn't
bother with DRAM.  Is there some reason you don't want to use a 1Mx1 
SRAM, e.g., Cypress CY7C1007D-10VXI?

Eric



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