A 16nm/12nm Flip-Chip IO library with dynamically switchable 1.8V/3.3V GPIO, 5V I2C open-drain, 5V OTP and 1.8V / 3.3V analog

A key attribute of the Certus 16nm & 12nm IO libraries is their ability to detect and dynamically adjust to a VDDIO supply of 1.8V or 3.3V during system operation. The GPIO cell can be configured as input, output, open-source, or open-drain with an optional internal 50K ohm pull-up or pull-down resistor. Four selectable drive strengths are offered (25-235MHz @1.8V, 10pF) to optimize across SSO currents & power. The output driver exhibits 50Ω (±20%) termination across PVT to reduce reflections at higher operating frequencies. ESD protection for VDDIO, VREF, and core VDD is constructed in an aggressive footprint. A 5V I2C / SMBUS open-drain (fail-safe) cell, 5V OTP programming gate cell and 1.8V & 3.3V analog cells are also available. This library features protection break cells to allow for separate grounds while maintaining ESD robustness.

Built into our IO libraries, and also offered as a separate service, is our strong ESD expertise. Certus was founded by ESD engineers and our results speak for themselves. Not only do we consistently exceed the standard ESD targets of 2KV HBM and 500V CDM, but we also provide on-chip solutions for standards such as IEC-61000-4-2, system-level ESD and Cable Discharge Events (CDE).

Certus supports IO libraries across multiple TSMC nodes including 180nm, 130nm, 40nm, 28nm, 22nm, and 16/12nm. Certus is particularly suited at providing custom variants in a cost-efficient framework. Please contact us for supplementary physical or electrical features that can suit your needs.

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