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Cadence Introduces Industry’s Leading-Performance, Silicon-Proven 22Gbps GDDR6 IP at TSMC N5

Cadence Design Systems, Inc. (Nasdaq: CDNS) today announced that Cadence® IP for GDDR6 is silicon proven on TSMC’s N5 process technology, exceeding Cadence’s previous 16Gbps designs. Targeted for very high-bandwidth memory applications, including hyperscale computing, 5G communications, automotive and consumer, the GDDR6 IP consists of Cadence PHY and controller design IP and Verification IP (VIP). GDDR6 is particularly well suited for the memory interface in artificial intelligence/machine learning (AI/ML) chips, which are proliferating due to the growing number of AI inferencing applications. Customers can speed development and reduce risk when using Cadence and TSMC technologies to design these chips that connect to GDDR6 memory.

The Cadence IP for GDDR6 at TSMC N5 operating at 22Gbps offers more than 2X the data rate of other latest generation standards like DDR5 and LPDDR5 and is 37% faster than Cadence’s previous 16Gbps designs. An improved architecture allows up to 22Gbit/sec bandwidth per pin—704Gbit/sec per chip—across the full range of operating conditions, with low operational power and idle power as well as a low bit-error rate (BER) for higher reliability and greater bandwidth. The corresponding GDDR6 controller IP offers a variety of performance and reliability features derived from Cadence’s DDR controller designs.

“Cadence’s latest GDDR6 IP on TSMC’s N5 process technology has achieved a significant performance boost in silicon compared with Cadence’s previous solutions in TSMC N7, N6 and 12nm FinFET Compact (12FFC) processes,” said Dan Kochpatcharin, Head of Design Infrastructure Management Division at TSMC. “This result of our latest collaboration combining Cadence’s leading IP solutions with TSMC’s advanced process technology enables new chips in AI/ML, hyperscale, and other computationally intense applications.”

“Cadence is committed to expanding our IP portfolio to address our customers’ evolving design requirements. Customers can now capitalize on the higher bandwidth offered by the Cadence Design IP for GDDR6 on TSMC’s N5 process technology with the utmost confidence,” said Sanjive Agarwala, corporate vice president and general manager of the IP Group at Cadence. “The improved PHY and controller design IP for GDDR6 with DRAM data rates at 22Gbps in the TSMC N5 process is the fastest of the GDDR6 family of IP in advanced TSMC nodes.”

The GDDR6 IP supports the Cadence Intelligent System Design strategy, which enables advanced-node system-on-chip (SoC) design excellence. For more information on the Cadence IP for GDDR6, please visit

About Cadence

Cadence is a pivotal leader in electronic systems design, building upon more than 30 years of computational software expertise. The company applies its underlying Intelligent System Design strategy to deliver software, hardware and IP that turn design concepts into reality. Cadence customers are the world’s most innovative companies, delivering extraordinary electronic products from chips to boards to complete systems for the most dynamic market applications, including hyperscale computing, 5G communications, automotive, mobile, aerospace, consumer, industrial and healthcare. For eight years in a row, Fortune magazine has named Cadence one of the 100 Best Companies to Work For. Learn more at

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