CMOS Clock Generators

Our CMOS Clock Generators and I2C-programmable clock generators can be customized to generate multiple frequencies. Providing highly flexible factory and I2C-programmable LVCMOS clock generators, the devices feature equivalent frequency synthesis capability of up to 8 PLLs, with exact frequency synthesis (0 ppm error), significantly lower jitter, lower power, and a smaller size than competing solutions. 

Factory customization options are available to minimize EMI, including configurable edge rates, output impedance, output skew and spread spectrum. CMOS Clock Generators are perfect for consumer audio/video and embedded applications, consolidating all system clock requirements into a single device.

Small package
1.2x1.4 mm
Low jitter clock outputs
Frequency flexibility

CMOS Clock Common Specs

  • Up to 12 customizable output frequencies
  • Up to 200 MHz frequency output
  • Low cycle-to-cycle jitter < 70 ps
  • I2C-programmable options (Si5351) or pin-controlled (Si5350 or Si5357)
  • Excellent PSRR: no external components required
  • Center and down spread spectrum modulation clock generation -0.1 to -2.5% down ±0.1 to ±1.5% center-0.5 to -2.5% down, ±0.1 to ±1.5% center
  • User-defined control pins
  • Factory-programmable OTP
  • Two week sample lead time
  • Compact packages
    • TDFN, MSOP10, QFN20, QFN32
Status
Find the Right CMOS Clock Generator Select Columns
Select Columns
Part Number Customize Reference Inputs Number of Outputs Input Frequency Output Frequency Ouput Format(s) Phase Jitter (RMS) PCIe Compliant
Customize 1 2 3 165 3 170 LVCMOS
Customize 1 3 3 165 3 170 LVCMOS
Customize 1 2 3 165 3 133 LVCMOS
Customize 1 3 3 165 0.032 170 LVCMOS
Customize 1 8 25 27 0.0025 200 LVCMOS 3.5
Customize 1 3 25 27 0.0025 200 LVCMOS 3.5
Customize 1 8 25 27 0.0025 200 LVCMOS 3.5
Customize 1 3 25 27 0.0025 200 LVCMOS 3.5
Customize 2 8 10 100 0.0025 200 LVCMOS 3.5
Customize 2 3 10 100 0.0025 200 LVCMOS 3.5
Customize 1 8 25 27 0.0025 200 LVCMOS 3.5
Customize 1 3 25 27 0.0025 200 LVCMOS 3.5
Customize 1 8 25 27 0.0025 200 LVCMOS 3.5
Customize 2 8 10 100 0.0025 200 LVCMOS 3.5
Customize 1 8 5 200 1 200 LVCMOS 2
Customize 1 8 5 200 1 200 LVCMOS 2
Customize 1 8 5 200 1 200 LVCMOS 2
Customize 1 12 10 170 5 170 LVCMOS 0.4

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