Developing memory IP isn't easy - it's repetitive full-custom work that requires verification of many possible configurations. While full automation isn't possible, there are ways in which design tools and methodologies can make the task much easier. A recent conversation with engineers at Kilopass Technology illustrated some of the challenges they face, and ways in which they're easing the flow using several advanced features in the Cadence Virtuoso IC 6.1 release.
Kilopass develops one-time programmable (OTP) non-volatile memory (NVM) intellectual property blocks. The company sells hard IP to IDMs and fabless semiconductor companies, who integrate the IP into systems-on-chip. Kilopass' latest product line is Gusto, offering up to 4 Mbits memory.
I recently talked with Bill Ip, principal engineer, and Shiang-Mei Heh, layout manager, about memory IP design and the work they're doing at Kilopass.
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