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To: Bilow who wrote (52903)9/9/2000 4:55:21 PM
From: NightOwl  Respond to of 93625
 
Hi Carl,

In order to use a row of SDRAM, you must first "activate" it. This is a command that causes the data on a row of capacitors to be transferred to the synchronous circuitry. From there, you can read or write little chunks of the row. When you are done reading and writing to the row, you must put the row back where it came from. This is done with a "precharge" command. After the precharge command, you can no longer read or write to that row of memory, though I fail to see why you should be unable to read data from that row, as it is still contained in the synchronous logic.

Uh,... excuse me sir. But I do believe you can actually read that row after a precharge command, or write over it for that matter. ...If, that is, you had the foresight and wisdom to purchase a SDRAM with a SRAM cache line for each set of sense amps.

Heeheehehe. ...Mom & Pop 2 - Wrath Of Kharl 0. <vbg>

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