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DDR5 LRDIMM
M88DR5DB01 (Gen1 DDR5 DB)
M88DR5DB01 is a Gen1 DDR5 Data Buffer (DB) with data rates up to 4800 MT/s and VDD supply of 1.1V. The DB is fully compliant with the JEDEC DDR5DB01 specification and is designed for use on DDR5 LRDIMMs. A DDR5 LRDIMM is equipped with one DDR5 RCD and 10 DBs, with 5 DBs per sub-channel. The DB features a dual 4-bit host bus interface connecting to one memory controller and a dual 4-bit DRAM interface connecting to two x4 DRAMs, thereby enabling increased memory capacity and robust performance for the memory system used in server platforms.
Features
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Fully compliant with JEDEC DDR5DB01 specification -
Speed up to 4800 MT/s
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Dual 4-bit bidirectional retiming and 1:1 redriving of DQ signals
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Two x4 DRAMs supported
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FIFOs on DQ path for decoupling Host and DRAM interface time domains
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Strobe and Data training supported
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DRAM periodic update supported
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1.1V VDD voltage
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Green package: 55-ball FBGA
Applications
DDR5 LRDIMM
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