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DSC557-03

Part Number	DSC557-03
Manufacturer	Micrel
Description	Crystal-less Two Output PCIe Gen1/2/3 Clock Generator
Published	Aug 8, 2020
Detailed Description	DSC557-03 Crystal-less Two Output PCIe Gen1/2/3 Clock Generator General Description Features The DSC557-03 is a crys...
Datasheet	DSC557-03 PDF File

Overview

DSC557-03 Crystal-less Two Output PCIe Gen1/2/3 Clock Generator General Description Features The DSC557-03 is a crystal-less, two output PCI express clock generator meeting Gen1, Gen2, and Gen3 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 temperatures.
By eliminating the external quartz crystal, the DSSC557-03 significantly enhances reliability and accelerates product development, while meeting stringent clock performance criteria for a variety of communications, storage, and networking applications.
DSC557-03 has an Output Enable / Disable feature allowing it to disable the outputs when OE is low.
The device is available in two different packages; a “drop-in” replacement 16 pin TSSOP or a space saving 14 pin QFN (77% less board space).
Additional output formats are also available in any combination of LVPECL, LVDS, and HCSL.
Block Diagram  Meets PCIe Gen1, Gen2 & Gen3 specs.
 Available Output Formats: o HCSL, LVPECL, or LVDS o HCSL/LVPECL, HCSL/LVDS, LVPECL/LVDS  Wide Temperature Range o Ext.
Industrial: -40° to 105° C o Industrial: -40° to 85° C o Ext.
commercial: -20° to 70° C  Supply Range of 2.
25 to 3.
6 V  Low Power Consumption o 30% lower than competing devices  Excellent Shock & Vibration Immunity o Qualified to MIL-STD-883  Available Footprints: o 16 TSSOP o 14 QFN  Lead Free & RoHS Compliant  Short Lead Time: 2 Weeks Applications Control Circuitry MEMS PLL OE Output Control and Divider CLK0+ CLK0- CLK1CLK1+ * Clk0+/- and Clk1+/- are 100 MHz as per PCIe standards.
For other frequencies, please contact the factory.
 Communications/Networking o Ethernet o 1G, 10GBASE-T/KR/LR/SR, and FcoE o Routers and Switches o Gateways, VoIP, Wireless AP’s o Passive Optical Networks  Storage o SAN, NAS, SSD, JBOD  Embedded Applications o Industrial, Medical, and Avionics o Security Systems and Office Au...

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