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SM802112 데이터시트(PDF) 1 Page - Micrel Semiconductor |
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SM802112 데이터시트(HTML) 1 Page - Micrel Semiconductor |
1 / 12 page SM802112 ClockWorks ™ 3-Output, 480MHz/80MHz, Ultra-Low Jitter LVDS/CMOS Frequency Synthesizer ClockWorks is a trademark of Micrel, Inc RotaryWave is a registered trademark of Multigig, Inc. Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 ( 408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com General Description The SM802112 is a member of the ClockWorks ™ family of devices from Micrel and provides extremely low-noise clock signals. It is based upon a unique patented RotaryWave ® architecture that provides very-low phase noise. The device operates from a 3.3V or 2.5V power supply and synthesizes two LVDS output clocks, one at 480MHz and one at 80MHz and one LVCMOS clock at 80MHz. The SM802112 accepts an 80MHz LVCMOS reference clock or an 80MHz 1Vp-p sine wave. Data sheets and support documentation can be found on Micrel’s web site at: www.micrel.com. Features • Generates two LVDS clock outputs, one at 480MHz and one at 80MHz • Generates one LVCMOS clock output at 80MHz • 2.5V or 3.3V operating range • Typical phase jitter @ 480MHz (12kHz to 20MHz): 290fs • Industrial temperature range (–40°C to +85°C) • Green, RoHS, and PFOS compliant • Available in 44-pin 7mm × 7mm QFN package Applications • Set Top Box Block Diagram September 2011 M9999-091411-A hbwhelp@micrel.com or (408) 955-1690 |
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