Pipistrelle-4 Test Chip

Pipistrelle-4, taped-out at the end of May 2017, is the latest in a series of low-energy sensor-system chips. The chip includes circuit/system ideas from multiple PhD research students and industry, focusing on an energy and performance optimised SRAM bitcell, low-area overhead energy-efficient flip-flops and standard-cells.

The chip was taped-out during Yunpeng Cai’s internship at Arm Cambridge, and includes circuits to validate his novel flip-flop design which has now been patented. The prototype chips were received at the end of September 2017, and tested successfully.



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