3nm process, voltage and temperature monitor IP
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Omni Design Technologies has announced the availability of its high-precision, core-voltage only (0.75 V), silicon-embedded process, voltage, and temperature monitor (PVT) IP.
Providing simple and seamless integration, the ODT-PVT-ULP-001C-3 PVT monitor requires only a single core-voltage supply and a digital interface. This removes the complexity of needing additional supply voltage while ensuring precise and highly localised monitoring adjacent to critical digital subsystems.
The ODT-PVT-ULP-001C-3 is an ultra-low power temperature, voltage, and process monitor designed using a 3nm CMOS process that operates over a temperature range of -40°C to 150°c. The voltage monitor supports four differential or single-ended inputs with a voltage range of up to ±0.75 V. A one-shot mode enables the user to initiate an on-demand temperature or voltage measurement. When not in operation, the entire block enters an ultra-low-power standby mode. The included process monitor provides information on process variation of core PMOS and NMOS transistors, as well as I/O PMOS and NMOS devices.
Advanced 3nm process nodes are pushing the boundaries of thermal activity and dissipation. This challenge frequently leads to the integration of guard bands in designs, resulting in a reduced performance-per-dollar ratio. The Omni PVT monitor, distributed throughout a 3nm product, enables optimised performance and minimal guard bands, along with several additional benefits, including:
- A single core-voltage supply rail enables simple deployment and integration into complex digital or mixed-signal chips.
- Interrupts can be set when temperatures reach critical thresholds, enabling the system to adjust and maximize performance through Dynamic Voltage and Frequency Scaling (DVFS).
- Monitoring and mitigation of longer-term silicon ageing and reliability issues, along with side channel security attacks.
- Collection of thermal profile data for enhanced analysis and design for future products.
“Omni Design’s core voltage PVT monitor enables simple, fast deployment for advanced 3nm designs by using a single core-voltage supply rail. Further, efficiencies enabled by our PVT monitoring solution result in optimised data centre silicon performance,” said Dr. Kush Gulati, President and CEO of Omni Design Technologies. “Saving even 1% power in the data centre through dynamic voltage and frequency scaling using the Omni Design PVT solution can save over $3M a year in operating costs.”
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