SiTime Unveils Precision Timing Chip to Enhance Efficiency in AI Data Centers

SiTime has introduced a new chip designed to optimize data centers tailored for artificial intelligence (AI) applications.
SiTime AI chipsSpecializing in timing chips, SiTime’s latest offering is poised to set a new standard for efficiency in AI-driven data centers. Comparable to a conductor orchestrating multiple sections of instruments in sync, SiTime’s chips, part of the new Chorus line, boast a remarkable tenfold increase in precision compared to traditional timing chip models.

Key Features of SiTime’s Chorus SiT91211 and SiT91213 Clock Generator

  • Higher Performance: Delivers up to 10X better resilience with integrated MEMS resonator.
  • Design Simplicity: Integrated MEMS technology speeds the design process and eliminates common issues such as noise and impedance matching with integrated MEMS resonator.
  • Smaller Footprint: up to half the size in a 4 mm x 4 mm QFN.
  • Low RMS Phase Jitter: 70 femtoseconds typical (12 kHz to 20 MHz).
  • Flexible Frequency: Programmable frequency from 1 MHz to 700 MHz.
  • Flexible Output Types: Up to four differential (LVPECL, LVDS, LPHCSL) or eight LVCMOS outputs.
  • Flexible Supply Voltage: Programmable, 1.8V, 2.5V, or 3.3V.
  • Reduced Power and Simplified Circuitry: FlexSwing output reduces power consumption and eliminates termination resistors.
  • Excellent Frequency Stability: ±20 ppm and ±50 ppm from -40°C to 105°C.
  • EMI Reduction: Configurable spread-spectrum clock generation.
  • Compliant with the Latest PCIe Standard: Generation 1 to 6.
  • Enhanced System Robustness: Clock fault monitors (Lock Loss).

Rajesh Vashist, CEO of SiTime, underscored the company’s commitment to assisting customers in reducing energy consumption through enhanced precision. While SiTime’s chips consume less than a watt of power, high-performance AI chips like Nvidia’s demand over 1,000 watts of power.

The implementation of SiTime’s precise timing solutions enables selective power management within computer systems. By synchronizing all components with greater accuracy, segments of the machine can be temporarily deactivated during periods of inactivity, resulting in potential energy savings over the lifespan of power-intensive data center servers.

SiTime announced plans for the availability of its innovative chips in the latter half of the year, marking a significant advancement in optimizing energy utilization and operational efficiency within AI-focused data centers.

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