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DSC400-0342Q0001KI2T Datasheet(PDF) 1 Page - Micrel Semiconductor |
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DSC400-0342Q0001KI2T Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 15 page ______________________________________________________________________________________________________________________________________________ DSC400 Page 1 Configurable Four Output, Low Jitter Crystal-less™ Clock Generator DSC400 General Description The DSC400 is a four output crystal-less™ clock generator. It utilizes Micrel’s proven PureSilicon™ MEMS technology to provide excellent jitter and stability while incorporating additional device functionality. The frequencies of the outputs can be identical or independently derived from common PLLs. Each output may be configured independently to support a single ended LVCMOS interface or a differential interface. Differential options include LVPECL, LVDS, or HCSL. The DSC400 provides two independent select lines for choosing between two sets of pre- configured frequencies per bank. It also has two OE pins to allow for enabling and disabling outputs. The DSC400 is packaged in a 20-pin QFN (5mm x 3.2mm) and is available in extended commercial and industrial temperature grades. Block Diagram Features Low RMS Phase Jitter: <1 ps (typ) High Stability: ±25ppm, ±50ppm Wide Temperature Range o Ext. commercial: -20°C to 70°C o Industrial: -40°C to 85°C High Supply Noise Rejection: -50 dBc Four format configurable outputs: o LVPECL, LVDS, HCSL, LVCMOS Available Pin-Selectable frequency table o 1 pin per bank for 2 frequency sets Wide Freq. Range: o 2.3 MHz – 460 MHz 20 QFN Footprint (5mm x 3.2mm) Excellent Shock & Vibration Immunity o Qualified to MIL-STD-883 High Reliability o 20x better MTF than quartz based devices Wide Supply Range of 2.25 to 3.6 V Lead Free & RoHS Compliant AEC-Q100 Automotive Qualified Applications Communications and Networks Ethernet o 1G, 10GBASE-T/KR/LR/SR, and FCoE Storage Area Networks o SATA, SAS, Fibre Channel Passive Optical Networks o EPON, 10G-EPON, GPON, 10G-PON HD/SD/SDI Video & Surveillance Automotive Media and Video Embedded and Industrial |
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