LVDS Clock Buffers

The Silicon Labs LVDS clock buffers are low-jitter non-PLL based fanout buffers offering industry-leading flexibility while delivering best-in-class performance. With minimal cross-talk and superior supply noise rejection, these buffers simplify low jitter clock distribution in noisy environments.  

Boasting additive jitter as low as 50-fs RMS, our LVDS buffers deliver up to 10 output clocks from DC to 1250 MHz. The advanced CMOS technology provides fanout 4 clocks from 5 - 710 MHz with guaranteed low additive jitter, low skew, and low propagation delay variability.  

Features

  • Upto 10 differential LVDS outputsProvides signal level translation
  • Loss of Signal (LOS) indicator allows system clock monitoring
  • Wide operating frequency DC - 1.25 GHz
  • Accepts any differential or single-ended input
  • Glitchless clock switching
  • Synchronous and Individual output enable control options available
  • Integrated voltage level translation
  • Selectable drive strength to tailor jitter/EMI performance
  • Loss of signal (LOS) indicator
  • Low output-output skew: <50 ps
  • Excellent PSRR
  • Independent VDD and VDDO:1.8, 2.5 or 3.3 V

Product Matrix

Status
Devices
Part Number Data Sheet Dev KIt Clock Inputs Clock Outputs Frequency Min Frequency Max (MHz) Output Format(s) Additive Jitter (RMS) (ps) VDD (V) VDDO (V) Package Type Package Size (mm) Universal Buffers Differential Buffers LVCMOS Buffers PCI Express Buffers Zero Delay Buffers
Si5338-EVB 1 4 5 710 LVDS 0.15 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN24 4x4 No Yes Yes Yes No
Si5338-EVB 1 4 5 350 LVDS 0.15 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN24 4x4 No Yes Yes Yes No
Si53301-4-EVB 2 4 DC 1250 LVDS 0.05 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN16 3x3 Yes Yes No Yes No
Si53301-4-EVB 2 4 DC 200 LVDS 0.05 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN16 3x3 No No No No No
Si53301-4-EVB 2 6 DC 1250 LVDS 0.05 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN24 4x4 No No No No No
Si53301-4-EVB 2 6 DC 200 LVDS 0.05 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN24 4x4 No No No No No
Si53301-4-EVB 2 10 DC 1250 LVDS 0.05 1.8; 2.5; 3.3 2.5; 3.3 QFN32 5x5 No No No No No
Si53301-4-EVB 2 10 DC 200 LVDS 0.05 1.8; 2.5; 3.3 2.5; 3.3 QFN32 5x5 No No No No No

Evaluate LVDS Buffers

Kickoff clock buffer development today with the Si53301/4-EVB development kit.

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