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DIMM Module Using PI74SSTV1685
消耗积分:3 |
格式:rar |
大小:223 |
2009-11-12
马占云
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The PI74SSTV16857 is a 14-bit stub-series-terminated logic (SSTL_2)
registered driver with differential clock inputs to provide the DDR
SDRAM with address and control signals. The PI74SSTV16857
provides fast address signaling with minimal propagation delay
when driving LVTTL or SSTL_2 signals from the memory controller
to the SDRAM’s SSTL signal input pins. LVTTL switching levels are
implemented with systems that use frequencies less than 100 MHz,
while SSTL_2 is more commonly used for systems with frequencies
greater than 125 MHz.
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