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Quartz Crystal Oscillator ICs

Quartz Crystal Oscillator

  • Operating Voltage (3.0 to 6.0V)
  • Maximum Oscillation Frequency (50MHz)
  • Low Operating Current
  • High Fan-out (LSTTL 10)
  • 3-state Output Buffer
  • Selected Frequency Output (mask option) (Only one frequency out of f0, f0/2, f0/4 and f0/8 output)
  • Oscillation Capacitors Cg and Cd on-chip
  • Oscillation and/or Output Stand-by Function
  • C-MOS Technology
  • Package Outline (CHIP/EMP8/MSOP8(VSP8)*MEET JEDEC MO-187-DA)
General Description
The NJU6321 series is a C-MOS quartz crystal oscillator which consists of an oscillation amplifier, 3-stage divider, output frequency selector and 3-state output buffer. The oscillation frequency is as wide as up to 50MHz and the symmetry of 45-55% is realized over full oscillation frequency range. The oscillation amplifier incorporates feed-back resistance and oscillation capacitors (Cg, Cd), therefore, it requires no external component except quartz crystal. The 3-stage divider outputs f0, f0/2, f0/4 and f0/8 to the output frequency selector and it determined one output frequency according to the combination of two input-signal. The 3-stage output buffer is C-MOS compatible and capable of 10 LSTTL driving.
Part No. Cg Cd Osc. Stop (Tr)
NJU6321A 21pF 23pF Yes
Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
NJU6321E download
8 Sn2Bi 76 Yes Yes Yes Non dry pack 1
NJU6321R download
8 Sn2Bi 21 Yes Yes Yes Non dry pack 1
Sample & Buy
Part NumberPackagesStatusPacking SpecificationSample
NJU6321XE EMP8 (Active)
NJU6321XR MSOP8(VSP8) (Active)