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IDF: a tidal wave of DDR400 announcements

This day brought a real tidal wave of DDR400 PC3200 announcements along with messages about Intelís module certification. Below an all-in-one compilation for you.

Infineon Technologies AG announced a family of unbuffered DIMM with 128Mb, 256Mb and 512Mb capacities based on 256Mbit DDR400.

Modules are certified to meet Intelís requirements for this memory type a well as JEDEC PC3200 3.2 GBps specs. Module chips are made on 200mm and 300mm pipelines using 0.14Ķm process technology. Shipments have already started. Depending on capacity in quantities chips cost from $30 to $100. Sample consignments of 256Mbit DDR400 chips are offered for $6 per unit.

Samsung Electronics announced that its DDR400 modules had passed Intelís qualification tests for compatibilty with Springdale.

Another Korean maker Hynix Semiconductor, announced that its 256Mbit DDR400 had also been certified by Intel. Currently the company ships 256Mbit DDR400 chips in volumes, also shipping 512Mbit DDR400 as samples.

Elpida Memory announced shipments of 256Mbit DDR400 SDRAM and unbuffered PC3200 DIMM modules. Naturally, all these fully meet Intelís requirements.

Elpida´s 256Mbit DDR400 SDRAM are made using 0.13Ķ process technology, are organized as 32Ő x 8-bits x 4 banks and packed into TSOP bodies. DIMMs are available in 256Mb and 512Mb capacities, organized x64 or x72 (ECC / non-ECC). Volume shipments are scheduled to April 2003.

Kingston Technology announced its DDR400 (PC3200) modules had passed Intelís qualification tests. These are listed below:

KVR400X64C3/256 256MB 400MHz DDR DIMM, CL 3
KVR400X72C3/256 256MB 400MHz DDR ECC DIMM, CL 3
KVR400X64C25/256 256MB 400MHz DDR DIMM, CL 2.5
KVR400X64C25/512 512MB 400MHz DDR DIMM, CL 2.5

As you know, DDR400 is still a semi-official standard, as JEDEC hasnít ratified its final specs yet. Intel found an elegant way out, having posted Intel Specification Addendum for JEDEC DDR400 Specification on its website.

Meanwhile, it has also posted a constantly updated page of certified DDR400 modules: Intel DDR400 Validation Testing. So, we can state weíve mentioned all the makers listed there. As for still invalidated but interesting DDR400 modules, I should mention Kingmax SuperRAM chips and modules, packed into TinyBGA bodies (the photo below taken from PC POP).

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