1.8 V to 3.3 V, 2 LVCMOS Output, Ultra-Low-Jitter, Fanout Clock Buffer

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The SiT92112 is a high-performance LVCMOS fanout clock buffer with additive phase jitter of only 50 fs RMS.

The SiT92112 supports a synchronous glitch-free output enable (OE) function to eliminate any 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 85
Package Type (mm²) 2x2 mm, 8-pin DFN
Buffer Type Fanout
Number of Inputs 1
Number of Outputs 2 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
  • High-performance 1:2 Buffer.
  • LVCMOS clock buffer.
  • Very low pin-to-pin skew: <50 ps.
  • Very low additive jitter: <50 fs.
  • Supply voltage: 1.8 V to 3.3 V.
  • 3.3 V tolerant input clock.
  • FMAX = 200 MHz.
  • Integrated serial termination for 50 Ω channel.
  • Packaged in 8 pin, 2 x 2 mm DFN packages. 
SiT92112 Functional Overview
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