Samsung Foundry

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Chip designers working on ICs produced at Samsung Foundry use General Purpose I/O (GPIO) library for the chip interfaces. The foundry also provides ESD protection devices in the PDK. For selected processes and interface types the ESD devices distributed by the foundry are developed by Sofics.

Sofics IP for Samsung Foundry

Key focus areas

A. High-Speed interfaces

Sofics IP is used for many high-speed data interfaces (wired and optical). These interfaces need ESD clamps with low parasitic capacitance. Sofics clamps provide standard ESD robustness and do not require a resistance in the signal path.

B. die-2-die interface protection

To shorten the distance and delay between different functions some customers are using 3D stacking of different dies in a single assembly. The connections between the different dies (die-2-die interfaces) require custom ESD solutions.

C. Battery powered applications

For certain application like IoT, edge AI, medical devices, the power consumption must be reduced. The leakage of Sofics’ ESD cells is 100x lower compared to conventional approach. Huge improvements can be made in stand-by, sleep, operational modes and during power-cycles.

D. Enhanced ESD robustness

Some applications require higher ESD robustness, well beyond the typical 2kV HBM. Our ESD clamps can be easily scaled to any ESD/EOS protection level. We have delivered ESD clamps for 4kV, 8kV HBM as well as for 8kV IEC 61000-4-2.

E. High signal voltage tolerance

Applications designed on advanced FinFET processes typically use low signal voltages below 2V. However, there are several reasons that designers want to use a higher signal voltage like 3.3V. Sofics has developed ESD devices that can handle those requirements.

Process technology covered

FinFET technology (14nm, 8nm, 5nm, 4nm)

Related applications

Automotive Electronics

Wired, Wireless & optical comm.

Data center

Chiplets, die-2-die

Consumer applications

Internet of Things