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DDR II
Our Supplier/Partner:
DDR I vs. DDR II
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DDR I
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DDR II
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DDR II Benefits
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Data Rate
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200~400Mbps
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400-800Mbps
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Higher system performance
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Voltage
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2.5V, 2.6V @ 400Mbps
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1.8V
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Lower power consumption + better thermal characteristics —> faster speeds
and higher capacities
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Termination
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On motherboard
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On Die
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Better signal integrity, Board real estate savings
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Chip Package
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TSOP
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FBGA
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Better electrical characteristics
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Pins/DIMM
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184-pin DIMM
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240-pin DIMM
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Support for differential strobes —> Better margins, higher frequencies
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- Density: 256MB-4GB
- Speed: PC400 / PC533 / PC667 / PC800
- PINs: 240pin (unbuffered) / 244pin (SoDimm)
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DRAM Module
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Contacts
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