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SiTime Enhances AI Data Center Performance and Utilization with TimeFabric Software Suite

18/07/2025

The TimeFabric™ software suite, combined with SiTime’s oscillators and clocks, delivers up to 9X more accurate time synchronization than quartz-based solutions, enabling higher system performance and utilization in AI data centers.

The TimeFabric software suite consists of two modules: IEEE 1588 standards-compliant synchronization software, as well as proprietary technology to extend critical holdover performance to 24 hours.

The TimeFabric software suite has two software modules:

  • IEEE 1588 Precision Time Protocol (PTP) Standards-compliant Servo and Stack:

SiTime’s proprietary servo and software stack for IEEE 1588 precision time protocol (PTP) with sub-nanosecond synchronization accuracy delivers tighter control and greater timing stability over generic IEEE 1588 solutions, even in the most demanding network systems. Network architects gain flexibility in network traffic scheduling and load balancing, which will result in higher utilization.

  • Holdover Extension Software:

TimeFabric’s proprietary holdover extension software can be used to enhance the functionality of SiTime’s precision devices with in-field software upgrades. The holdover extension software delivers up to 24 hours of holdover, essential to mobile and network infrastructure reliability – a stringent requirement for critical infrastructure. This ensures full operation in the event of GNSS outages or network clock failures.

Main Features

  • IEEE 1588-2019 compliant - meets ITU-T G.8273.2 Class D: Full timeTransmitter and timeReceiver capability
  • Hardware timestamping support
  • Device drivers for SiTime network synchronizers
  • IEEE 1588 management support
  • 2X longer holdover: Up to 24 hours holdover with SiT5811, SiT5812 or SiT7101
Documents Tech question
Sitime IEEE Timefabric

SiTime Enhances AI Data Center Performance and Utilization with TimeFabric Software Suite

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    Timing & frequency control

SiTime

SiTime Corporation is the leader in MEMS-based timing. Transforming the timing industry with configurable solutions that replace legacy quartz devices SiTime enables differentiation of products with the higher performance, smaller size, lower power and beter reliability.

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Documents

  • Sitime IEEE 1588 Product Brief
  • Si Time Time Fabric Holdover Extension Product Brief
Pexels thisisengineering 3913017

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