[PConline News] Although Raja recently resigned from AMD to Intel, there was a rumor that Raja was scheduled to perform a secret mission in the past. At the same time, the person in charge of AMD's graphic cards is CEO Su Zifeng. He believes that both the ability to allocate resources and the research and development efforts will be enhanced to some extent. This is not, according to the latest news from foreign media reports, AMD graphics technology engineers have participated in the research and development of GDDR6 memory control. In addition, AMD will also actively promote the advent of GDDR6 memory. Perhaps in the near future, AMD's new graphics products will be the first to use this memory technology.

However, AMD's Vega's second-generation high-end cards and 7-nm-based Navi certainly have HBM2 memory. Don't worry. In other words, even if AMD has new GDDR6 memory in 2018, it will be used in the mid-range (low-end is still GDDR5). At present, Samsung, Micron and SK Hynix have all invested in the production of GDDR6 memory, of which Samsung has the most detailed public information, a new DDR6 memory chip single-chip 16Gb package, 16Gbps bandwidth (16GHz operating frequency), single-chip transmission speed 64GB/s , voltage 1.35V.

To say that the change in GDDR6 specifications is mainly to double the bandwidth and reduce the voltage from 1.5V to 1.35V, it can be said to be faster and more power-efficient. In addition, the reason why NVIDIA took Pascal and changed it repeatedly in 2017 is to wait for the GDDR6 to start on the GeForce Volta. At present, it is speculated that there may be two release time nodes, either CES 2018 in January (less likely) and GTC 2018 in March.

Semiconductor Fuse And Ferrite

Fuse refers to an electric appliance that, when the current exceeds the specified value, melts the fuse and disconnects the circuit with the heat generated by itself.When the current exceeds the specified value for a period of time, the fuse melts and disconnects the circuit with the heat generated by the fuse itself.A current protector made from this principle.The fuse is widely used in high and low voltage power distribution system and control system as well as power equipment.


Ferrite is a metal oxide with ferrous magnetism.As far as electrical properties are concerned, the resistivity of ferrite is much larger than that of single metal or alloy magnetic materials, and it has higher dielectric properties.Ferrite magnetic energy also shows high permeability at high frequencies.As a result, ferrite has become a non-metallic magnetic material widely used in the field of high frequency and weak current.Due to the low ferrite magnetic energy stored in the unit volume, saturated magnetic induction strength (Bs) and low (usually only pure iron 1/3 ~ 1/5), and thus limits its higher requirements in the low-frequency magnetic energy density in the field of high voltage and high power applications.


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