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DSA557-04

3-output PCIe Clock Gen for Automotive

Status: In Production

Features:

  • AEC-Q100 qualified
  • Three 100 MHz HCSL Clock Outputs
  • Meets PCIe Gen1/2/3/4 specs
  • MEMS based clock generator eliminates the need for external 25MHz crystal
  • Space saving 20-pin QFN package at 5.0x3.2 mm
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Device Overview

Summary

The DSA557-04 is an automotive grade crystal-less, 3-output PCI express clock generator meeting Gen1, Gen2, Gen3 and Gen4  specifications. The clock generator uses proven silicon MEMS technology to provide 100MHz differential output clocks with excellent jitter and stability over a wide range of supply voltages and automotive grade 2  ( -40°C to 105°C) temperature range. By eliminating the external quartz crystal, the DSA557-04 significantly enhances reliability and accelerates product development, while meeting stringent clock performance criteria for a variety of automotive applications. DSA557-04 has an Output Enable/Disable feature allowing it to disable the outputs when OE pin is low. The device is a space saving 20 pin QFN  package. 

Additional Features
  • AEC-Q100 qualified
  • Three 100 MHz HCSL Clock Outputs
  • Meets PCIe Gen1/2/3/4 specs
  • MEMS based clock generator eliminates the need for external 25MHz crystal
  • Wide Operation Temperature Range:
    • Automotive Grade 2: -40°C to 105°C
    • Automotive Grade 3: -40°C to 85°C
  • Excellent Shock and Vibration Immunity
    • Qualified to MIL-STD-883
  • High Reliability
    • 20x Better MTBF than Quartz Oscillators
  • Space saving 20-pin QFN package at 5.0x3.2 mm
  • Wide supply voltage range: 2.25V to 3.63V
  • Lead-Free and RoHS Compliant
Parametrics
Name
Value
Product Type
Low-Jitter Clock Generators
# of Outputs
3
Voltage
2.25 - 3.63
Output Logic
HCSL
Output Frequency Min. (MHz)
100
Output Frequency Max. (MHz)
100

Documents

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Data Sheets

05/01/2019
884KB

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