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To: Tenchusatsu who wrote (104144)	6/8/2000 11:31:00 AM
From: Bilow	Read Replies (1) of 186894

Hi Tenchusatsu; You wrote: "Yes, RDRAM needs additional lines to enhance signal integrity at high clock speeds. Yet the pin count is still lower because RDRAM's data path is 1/4 that of SDRAM's, and that more than offsets the additional pins necessary for signal integrity." This is true for the memory controller, but not true for the memory chips. But since a computer has a lot more memory chips than memory controllers, the added pins in the memory chips dominate the added pins in the controller. Samsung data sheet figures don't lie: 256Mb SDRAM is in a 54-pin TSOP: usa.samsungsemi.com 256Mb/288Mb RDRAM is in a 92-pin uBGA: usa.samsungsemi.com The RDRAM memory chip has 70% more pins than the SDRAM memory chip. Do try looking up the figures before you suggest I like to distort things. If you want to challenge my technical facts, please do it over on the Rambus thread, by the way. -- Carl

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