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DSC557-0314SI0-T Datasheet(PDF) 1 Page - Micrel Semiconductor |
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DSC557-0314SI0-T Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 9 page ______________________________________________________________________________________________________________________________________________ DSC557-03 Page 1 MK-QB-P-D-120917-01-2 Crystal-less Two Output PCIe Gen1/2/3 Clock Generator DSC557-03 General Description 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 Control Circuitry MEMS PLL Output Control and Divider CLK1+ CLK1- CLK0+ CLK0- OE * Clk0+/- and Clk1+/- are 100 MHz as per PCIe standards. For other frequencies, please contact the factory. Features 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 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 Automation o Digital Sinage, POS and others Consumer Electronics o Smart TV, Bluray, STB |
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