XRT8020

Features: • 575 MHz to 675 MHz operating range• Low Output Jitter: 9ps rms typical at 622 MHz• On Chip Crystal Oscillator Circuit• Optimized for 15 to 40 MHz crystals• Uses parallel fundamental mode crystal• Selectable 8x, 16x or 32x multiplier• Selectable...

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XRT8020 Picture
SeekIC No. : 004549491 Detail

XRT8020: Features: • 575 MHz to 675 MHz operating range• Low Output Jitter: 9ps rms typical at 622 MHz• On Chip Crystal Oscillator Circuit• Optimized for 15 to 40 MHz crystals• ...

floor Price/Ceiling Price

Part Number:
XRT8020
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/28

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Product Details

Description



Features:

• 575 MHz to 675 MHz operating range
• Low Output Jitter: 9ps rms typical at 622 MHz
• On Chip Crystal Oscillator Circuit
• Optimized for 15 to 40 MHz crystals
• Uses parallel fundamental mode crystal
• Selectable 8x, 16x or 32x multiplier
• Selectable ¸ 1 or ¸ 2 LVDS output
• LVDS output meets TIA/EIA 644A Specification (2001)
• 3.3V ±10% Low power CMOS: 80 mW typical
• -40°C to +85°C operating temperature
• Extremely small 16-lead QFN package





Application

• Gigabit Ethernet
• SONET/SDH
• SPI - 4 Phase 2
• 8x, 16x or 32x Clock Multiplier for Computer and Telecommunication Systems





Pinout

  Connection Diagram




Specifications

Specifications
Mult Ratio 8, 16, 32
Pwr Sup 3.3V
Pkgs QFN-16


Supply voltage ....................-0.5 to 6.0 V
VIN ......................................-0.5 to 6.0 V
Storage Temperature -...65 to + 150
Operating Temperature ..-40to + 85
ESD ....................................>2,000 volts
REXT .................................(±1%) 10kW





Description



The XRT8020 is a High-Speed Clock Synthesizer that provides a high frequency Low Voltage Differential Swing (LVDS) clock output, using a low frequency crystal or reference clock. The device produces clock signals up to 650 MHz by multiplying the output of a standard crystal (ranging from 20 to 40 MHz), and can generate from a clock signal input up to 80MHz. The device utilizes an analog phase locked loop that provides the clock multiplication function (8x, 16x or 32x), and when combined with the crystal frequency augments the output frequency. Also, the output can be divided by a factor of two allowing the XRT8020 to cover a wider frequency range.

Jitter

Jitter is an important consideration with any clock. Different systems will have different requirements for jitter. The XRT8020 is capable of attaining 10 pS of jitter at 624 MHz. Jitter levels this low allow the device to be designed into many high-speed clock circuits where tolerance for high jitter levels eliminates other solutions.

Power

The XRT8020 IC operates from 3.3V and comes in a low inductance package that is available over the industrial temperature range. Also, the part has auto VCO (Voltage Controlled Crystal Oscillator) calibration logic on power-up that provides stability over wide frequency ranges.

Reduced Package Size

At 16-pin QLP, the XRT8020 is one of the smallest clock synthesizers in the market. This capability makes it ideal for both OEMs, and hybrid manufacturers that combine timing components onto a single PC-board module offering pre-tested off-the-shelf timing solutions.



The XRT8020 is a monolithic analog phase locked loop that provides a high frequency LVDS clock output, using a low frequency crystal or reference clock. It is designed for SONET/SDH and other low jitter applications.

The high performance of the XRT8020 IC provides a very low jitter LVDS clock output up to 650 MHz, while operating at 3.3 volts. The XRT8020 has a selectable 8x, 16x or 32x internal multiplier for an external crystal or signal source. The Output Enable pin provides a true disconnect for the LVDS output. The very compact (4 x 4 mm) low inductance package is ideal for high frequency operation.






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