Automotive Grade Clock Buffers

Silicon Labs offers a portfolio of automotive grade, AEC-Q100 clock buffers, including differential and
single-ended fixed-function fanout buffers, customizable universal fanout buffers, and PCIe Gen1/2/3/4/5 compliant fanout buffers. Featuring very low additive phase jitter, these solutions are ideal for clock distribution in automotive infotainment, ADAS sensor, and automated driving platforms.  


  • Automotive Grade2, -40 to +105 °C
  • AEC-Q100 qualified
  • Pin-selectable signal format options (LVPECL, LVDS, HCSL, LVCMOS)
  • User-defined customized options using ClockBuilder Pro
  • Wide operating frequency 10-250 MHz
  • 2/4/8 differential outputs
  • Accepts any differential or single-ended input
  • Low additive jitter: 110 fs rms (12 kHz - 20 MHz)
  • Output enable control
  • Loss of signal (LOS) indicator
  • Integrated voltage level translation
  • Low output-output skew: <50 ps
  • Excellent PSNR
  • Independent VDD and VDDO:1.8, 2.5 or 3.3 V

Automotive Clock Buffers Product Matrix

Part Number Data Sheet Dev KIt Clock Outputs Output Format(s) Additive Jitter (RMS) Package Type Package Size (mm) PCIe Compliant Dual Automotive
2 CML; HCSL; LVCMOS; LVDS; LVPECL 0.1 32QFN 5x5 Yes No Yes
4 CML; HCSL; LVCMOS; LVDS; LVPECL 0.1 40QFN 6x6 Yes No Yes
8 CML; HCSL; LVCMOS; LVDS; LVPECL 0.1 40QFN 6x6 Yes No Yes
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