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Ambiq shows interest in FinFET, FDSOI and an IPO

Microcontroller vendor Ambiq is showing an interest in using a fully depleted silicon-on-insulator (FDSOI) manufacturing process for its chips as well as in staging an initial public offering (IPO) of shares.

eenewsanalog.com, May. 18, 2021 – 

Ambiq is a private company founded in 2010 to commercialize circuits designed to operate at non-standard voltages down to around 0.3V – sub-threshold voltage operation – because of the energy efficiency the approach provides. The company is claiming to be market leader for the sale of microcontrollers into the wearables market and to be now shipping millions of units per month.

Ambiq works with foundry partner TSMC on manufacturing processes down to 22ULL, a 22nm planar CMOS, but the company is expected to move on to TSMC's 12nm FinFET process for next generation designs.

In an interview with eeNews Europe, Scott Hanson, CTO of Ambiq, confirmed that the company is preparing a move to a 12nm manufacturing process (see The CTO interview with Ambiq's Scott Hanson).

When asked if sub-threshold voltage operation could be applied to FDSOI manufacturing processes, Hanson replied: "FDSOI processes are indeed an interesting option for sub-threshold and near-threshold operations. Various characteristics, including the steep sub-threshold slope, are very attractive for low voltage operation. FinFET devices offer many of the same benefits as well. You should expect to see Ambiq using some of these more advanced processes in the near future."

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