High Performance 4-Output, LVCMOS Automotive Clock Buffer


The SiT92184 is an automotive grade 1 (-40°C to 125°C), AEC-Q100-qualified, high-performance LVCMOS fanout clock buffer with low additive phase jitter of just 50 fs RMS.

This buffer supports a synchronous glitch-free output enable (OE) function to eliminate potential intermediate incorrect output clock cycles when enabling or disabling outputs. It can operate from a 1.8 V to 3.3 V supply.

2x2 mm, 8-pin DFN Clock Buffer package
"Specs" "Value"
Operating Temperature Range (°C) -40 to 125
Package Type (mm²) 2x2 mm, 8-pin DFN
Buffer Type Automotive Fanout Buffer
Number of Inputs 1
Number of Outputs 4 Single Ended
Input Type LVCMOS
Input Frequency Range 0 Hz to 200 MHz
Output Type LVCMOS
Output Frequency Range 0 Hz to 200 MHz
Additive Phase Jitter (rms) 50 fs
Propagation Delay, Typical 1.0 ns
Output-Output Skew, Typical 50 ps
Output Enable Yes
Availability Production
  • 3.3 V tolerant input clock
  • Integrated serial termination for 50 Ω channel
SiT92184 Functional Overview
  • Automotive Cameras
  • Automotive Ethernet
  • Automotive ECUs
  • Automotive PCI-E
  • Infotainment
  • LiDAR & Radar
  • Driver Monitoring Systems
  • Smart Mirrors
  • Engine & Powertrain
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