Rambus (RMBS) - Eagle or Penguin Message Board

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Technology Stocks : Rambus (RMBS) - Eagle or Penguin

RMBS 94.23

-11.1%

Dec 12 9:30 AM EST

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To: The Prophet who wrote (72785)	5/14/2001 3:43:43 AM
From: pheilman_	Read Replies (3) of 93625

Prophet, About the amazing development of SDRAM. It is not really that amazing. Most systems using DRAM had a clocked state machine in the memory controller. FPM (Fast Page Mode) DRAMs added the capability to keep a bank open. EDO (Extended Data Out) DRAMs added an internal register to hold the data valid on the outputs. SDRAM systems combined all three of these features, moving the state machine onto the DRAM die, explicit banks and an output register. Not really a huge leap. Pretty much just an evolution from DRAM, same signaling levels, same signaling technique (voltage), same pins (A0-10, RAS, CAS), just the state machine moved and a few fancy names for the states. Does everyone think that the DRAM makers were just sitting on their butts waiting for Rambus to come up with a better design? Hitachi had a building filled with scientists and engineers working on DRAM. Back when it was profitable. They are a rather big company, some small percentage of Japan's GNP (back when it was profitable ;-) ).

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