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High speed MEMS switch for 64Gbit/s for test systems

High speed MEMS switch for 64Gbit/s for test systems

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By Nick Flaherty



Menlo Micro has started production of its latest MEMS-based 64Gbit/s dual double-pole/triple-throw (2x DP3T) switch for high speed differential test systems.

The MM5620 switch provides the highest performance and data rates for high-speed differential data applications. It offers unprecedented levels of parallel testing on space-constrained final and probe tests for mobile phones, graphics, network processors, as well as microprocessors and high-speed memory products.

The system-in-package (SiP) solution fully integrates the switch driver and charge pump, along with loopback capacitors. It operates from DC to 20 GHz giving a significant board footprint reduction for high-volume production test systems with a footprint of 8.2 mm x 8.2 mm x 1.6mm LGA package, giving a 90 percent reduction in size over conventional electromagnetic relay (EMR) solutions. This significant volume reduction enables more test sites and easier top and/or bottom routing.

The device is based on Menlo Micro’s 32 Gbit/s MM5600 double-pole/double-throw (DPDT) switch currently in production.

“With our introduction of the MM5620 earlier this year, Menlo Micro is enabling a host of industry-leading high-speed data semiconductor designers and manufacturers,” remarked Chris Giovanniello, Co-Founder and Senior Vice President of Marketing at Menlo Micro. “Thus far, product feedback from our customers points to superior data rate and PAM-4 signal integrity for PCIe 6 applications, while offering the versatility of double-density HSIO loopback test mode that will drastically increase integrated circuit test coverage and throughput.”

Integrated loopback provides a complete, end-to-end TX to RX differential loopback solution, including integrated decoupling capacitors, while also providing multiple high-speed connections back to the user test equipment.

The switching speed of < 30 µs operation time and < 10 µs release time is 1000x faster than EMRs, enabling reduced test time and cost-of-test, while the MEMS structures support more than three billion switching cycles, resulting in reduced downtime, maintenance, and cost and a 1000x longer lifetime compared to conventional EMRs.

The MM5620 operates at less than 9 mW, a significant reduction in power consumption compared to EMRs or other relays, making it the highest efficiency high-speed DP3T switching solutions available in the market.

menlomicro.com

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