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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11The 12 December 2000 EDN article “IBM and Infineon memory in a spinHead” reported an IBM–Infineon collaboration on magnetic random-access memory (MRAM). It was not an announcement of racetrack memory or a consumer RAM stick. The companies later reported a 128 Kbit MRAM core, but the 2004 and 2005 dates attached to the project were forecasts—not confirmed product-launch dates.
What did IBM and Infineon announce?
EDN reported on 12 December 2000 that IBM and Infineon Technologies had agreed to collaborate on MRAM. The article described a memory that stores bits in magnetic states rather than relying on stored electrical charge. Its key appeal was nonvolatility: data would remain when power was removed, potentially enabling faster access, lower battery use and computers that could resume without a lengthy boot.
The headline’s “spinHead” wording does not identify a separate memory type in the announcement. The technology discussed in the story was MRAM.
What happened after the 2000 announcement?
The original commercial target
EDN reported that the companies believed MRAM products might be commercially available by 2004. That was an expectation stated in 2000, not evidence that products shipped in 2004.
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The 128 Kbit core
On 10 June 2003, Infineon announced that IBM and Infineon had developed advanced MRAM technology by integrating magnetic memory devices with a high-performance logic base. The companies planned to demonstrate a high-speed 128 Kbit MRAM core at the VLSI Symposium. A core demonstration is evidence of a development milestone; it is not the same as a retail memory module or confirmation of a commercial launch.
The 2005 replacement forecast
In that 2003 announcement, Infineon said MRAM could replace some existing memory technologies as early as 2005. This, too, was a forecast. The cited announcements do not establish that the projected replacement happened on that schedule or that the collaboration produced a consumer product.
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Was it MRAM or racetrack memory?
It was MRAM. Racetrack memory is a separate IBM spintronics concept in which magnetic domains move along a nanowire past read/write elements. IBM describes that technology as experimental and says its racetrack-memory page does not present a consumer prototype. That separate concept should not be folded into the IBM–Infineon MRAM timeline.
How does the project relate to STT-MRAM today?
Spin-transfer-torque MRAM, or STT-MRAM, is a later MRAM approach. It uses spin-polarized current to switch a magnetic free layer in a magnetic tunnel junction. IBM’s 2024 review discusses STT-MRAM’s combination of nonvolatility, speed, endurance, density and fabrication compatibility, as well as possible uses ranging from standalone memory and embedded nonvolatile memory to working memory and last-level cache. The review also covers spin-orbit-torque MRAM and voltage-controlled magnetic-anisotropy MRAM as future directions.
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IBM’s 2023 INTERMAG abstract reports that STT-MRAM products had become commercially available for standalone memory and eFlash-replacement applications. That is evidence of later STT-MRAM commercialization—not proof that the 2000 IBM–Infineon agreement continued unchanged or that its planned product reached market.
| Comparison | IBM–Infineon MRAM effort reported in 2000–2003 | Later STT-MRAM context |
|---|---|---|
| How bits are stored | Magnetic states rather than stored electrical charge, as described by EDN in 2000. | A magnetic tunnel junction; spin-polarized current switches its free layer, as described in IBM’s 2024 review. |
| Nonvolatility | Retention without power was a central promise in EDN’s 2000 account. | IBM’s 2024 review includes nonvolatility among the technology’s attributes. |
| Endurance and density | Specific figures are not stated in the cited EDN and Infineon announcements. | IBM’s 2024 review discusses endurance and density, but the figures are not stated in the cited summary. |
| Integration and applications | Infineon reported integration of magnetic memory devices with a high-performance logic base in 2003; the companies planned to show a 128 Kbit core. | IBM’s 2024 review discusses standalone, embedded nonvolatile, working-memory and last-level-cache applications. IBM’s 2023 abstract reports commercial availability for standalone memory and eFlash-replacement applications. |
| Commercial status established by the cited sources | Development and demonstration plans are reported; shipment of a consumer product is not established. | The 2023 IBM abstract reports commercial availability for the specified STT-MRAM applications. |
Is Infineon HYPERRAM the same technology?
No. Infineon’s current HYPERRAM portfolio is pSRAM, not MRAM. Its product information describes self-refreshing DRAM with HYPERBUS or Octal xSPI interfaces, densities from 64 Mb to 512 Mb and throughput up to 800 MBps. Those specifications describe a different product family and do not show that the historical IBM–Infineon MRAM project became a HYPERRAM product.
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