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The VC5027 CMOS oscillator series offer low power and good phase noise performance clocks from <1 MHz to 60 MHz and with excellent PSRR and stability over power supply range of 1.6 to 3.6V. The oscillator circuit stage has voltage regulator drive, significantly reducing current consumption and crystal current versus legacy devices, and significantly reduces sensitivity to supply voltage variation.

Pad layouts fit 7.0x5.0 mm and 5.0x3.2 mm packages. The operating temperature range is 55°C to 125°C.

Block Diagram

Packages for VC5027

Size (mm)PackageHeight
w/o lid (mm)
PadsD/A connectionLayout TypeLidStepped Lid
3.2x2.5PDFS3225CLK50.944VSSI II FCWBPDFLDK3225-2-1NPDFLDSL3225-3-10N
7.0x5.0PDFS5070CLK41.24NCI II FCWBPDFLDK5070-4-10NPDFLDSL5070-5-10K PDFLDSL5070-5-11K


Key Features

  • Wide supply voltage range: 1.60 to 3.63V
  • Regulated voltage oscillator circuit for reduced power consumption and low crystal drive current
    • VC5027Cx are for wire bond (type II) 7.0x5.0 mm and 5.0x3.2 mm
  • Recommended oscillation frequency range
    • Fundamental oscillation: 20 MHz to 60 MHz
  • Selectable by version: f0, f0/2, f0/4, f0/8, f0/16, f0/32, f0/64
  • Standby CMOS input disables with high impedance output, oscillator stops
  • CMOS output duty level (1/2VDD) 50 ± 5% output duty 15pF output drive capability
  • Chip form
  • -55°C to 125°C operating temperature range


  • Communications
  • System Clocks
  • Military


  • Enable rugged oscillator construction
  • High stability over supply voltage range
  • Good Phase noise and low Jitter
  • Stable power-on startup
  • Clean Start when enabled
  • Reliable
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