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
  • 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
  • User-defined control pins
  • Factory-programmable OTP
  • Two week sample lead time
  • Compact packages
    • TDFN, MSOP10, QFN16, QFN20, QFN32
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Find the Right CMOS Clock Generator Select Columns
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Part Number Customize Control Reference Inputs Number of Outputs Frequency Reference Input Frequency Output Frequency Ouput Format(s) Package Type Phase Jitter (RMS)
Customize Pin 1 2 3 165 3 170 LVCMOS TDFN6
Customize Pin 1 3 3 165 3 170 LVCMOS TDFN8
Customize Pin 1 2 3 165 3 133 LVCMOS TDFN6
Customize Pin 1 3 3 165 0.032 170 LVCMOS TDFN8
Customize Pin 1 8 XTAL Only 25 27 0.0025 200 LVCMOS QFN20 3.5
Customize Pin 1 3 XTAL Only 25 27 0.0025 200 LVCMOS MSOP10 3.5
Customize Pin 1 4 XTAL Only 25 27 0.0025 200 LVCMOS QFN16 3.5
Customize Pin 1 8 XTAL and VCXO 25 27 0.0025 200 LVCMOS QFN20 3.5
Customize Pin 1 3 XTAL and VCXO 25 27 0.0025 200 LVCMOS MSOP10 3.5
Customize Pin 2 8 XTAL and CLKIN 10 100 0.0025 200 LVCMOS QFN20 3.5
Customize Pin 2 3 XTAL and CLKIN 10 100 0.0025 200 LVCMOS MSOP10 3.5
Customize I2C 1 8 XTAL Only 25 27 0.0025 200 LVCMOS QFN20 3.5
Customize I2C 1 3 XTAL Only 25 27 0.0025 200 LVCMOS MSOP10 3.5
Customize I2C 1 4 XTAL Only 25 27 0.0025 200 LVCMOS QFN16 3.5
Customize I2C 1 8 XTAL and VCXO 25 27 0.0025 200 LVCMOS QFN20 3.5
Customize I2C 1 4 XTAL and VCXO 25 27 0.0025 200 LVCMOS QFN16 3.5
Customize I2C 2 8 XTAL and CLKIN 10 100 0.0025 200 LVCMOS QFN20 3.5
Customize I2C 2 4 XTAL and CLKIN 10 100 0.0025 200 LVCMOS QFN16 3.5
Customize Pin 1 8 5 200 1 200 LVCMOS QFN24 2
Customize I2C 1 8 5 200 1 200 LVCMOS QFN24 2
Customize I2C 2 12 XTAL and CLKIN 10 170 5 170 LVCMOS QFN32 0.4

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