Field Programmable | Learn More

The SiT9005 spread spectrum oscillator (SSXO) is field programmable and designed to accelerate time to revenue by ensuring emissions compliance, a pivotal milestone for any electronics product.

 Up to 30 dB reduction

 Plug-and-play solution without design changes

 Field programmable for instant validation

Emissions compliance failure, which typically happens during the last stage of product development, can result in unplanned troubleshooting efforts and costly production delays. The SiT9005 solves EMI problem by offering two techniques for compliance: spread spectrum clocking and rise/fall time adjustment of the clock signal. What’s more, the SiT9005 is supported by SiTime’s Time Machine II programmer that allows engineers to instantly program spread modulation and/or drive strength to quickly reduce emissions levels.


FlexEdgeTM Rise/Fall Time
1 to 141 MHz
Frequency Stability (ppm)
±20, ±25, ±50
Operating Temperature Range (°C)
-20 to +70, -40 to +85
Oscillator Type
Output type
Package Type (mm²)
2.0x1.6, 2.5x2.0, 3.2x2.5
EMI redution, Field Programmable
Spread Percentage (%)
Center: ±0.125 to ±2.000, Down: -0.25 to -4.00
Spread Profile
Triangular, Hershey Kiss
Voltage Supply (V)
1.8, 2.5 to 3.3
  • Printers
  • Flat panel drivers
  • PCIe
  • Industrial motors
  • High-speed serial link
  • 工厂自动化
  • 安全与监控
  • 医疗电子产品
  • 个人计算
  • 音频与视频
  • 家用电器


Features & Benefits

Flexible EMI reduction options

  • Wide spread range: center spread up to ±2.0%, down spread down to -4.0%

  • Configurable rise/fall time: 8 options

  • Configurable spread profile: Triangular or Hershey-Kiss

Up to 17 dB EMI reduction on carrier frequency and 30 dB on harmonics

Instant programmability with the SiTime Time Machine II oscillator programmer

  • Zero sample lead time

  • Ensure fastest time-to-market

Four industry-standard packages

  • 100% drop-in replacement of oscillators

  • Enables EMI reduction without board redesign, metal housing or other expensive EMI reduction methods

Industry's smallest package 2.0 x 1.6 mm

  • Save board space for space sensitive applications

World best cycle-to-cycle jitter: 8.5 ps

  • Minimize impact to system timing budget

Extensive programmability

  • Any frequency between 1 to 141 MHz with 6 decimal place accuracy

  • Supply voltage of 1.8 V; 2.5 to 3.3 V

  • Frequency stability from ±20 ppm to ±50 ppm

Quality Documents

Additional Resources