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SM803020

产品描述TWO PART BOARD CONNECTOR
产品类别半导体    其他集成电路(IC)   
文件大小881KB,共14页
制造商Microchip(微芯科技)
官网地址https://www.microchip.com
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SM803020概述

TWO PART BOARD CONNECTOR

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SM803020
Flexible Ultra-Low Jitter Clock Synthesizer
General Description
The SM803020 is a dual-PLL clock generator that
achieves ultra-low, 74.2fs_rms output jitter at 156.25MHz
output frequency. It accepts a crystal input or a reference
input.
Each output channel is individually configurable to a
differential PECL, LVDS, HCSL, or CMOS output logic
level. PECL is selected by default, but can be overridden
through SPI. It is packaged in a dual-row 84-pin
7mm x 7mm package.
Datasheets and support documentation are available on
Micrel’s web site at:
www.micrel.com.
Features
Generates twelve 156.25MHz outputs
Independently programmable output logic:
Output logic: LVPECL (default), LVDS, HCSL,
LVCMOS
74.2fs jitter at 156.25MHz (1.875MHz to 20MHz)
Selectable inputs require 39.0625MHz input frequency
XTAL (default)
Differential or single-ended reference clock (SPI
selectable)
2.5V or 3.3V operating power supply
Separate output power supplies:
Different banks can be at different levels
Industrial temperature range (–40°C to +85°C)
Green, RoHS, and PFOS compliant
Available in 84-pin 7mm
×
7mm QFN package
Typical Application
Applications
1/10/40/100 Gigabit Ethernet
Micrel Inc. • 2180 Fortune Drive •
San
Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 •
http://www.micrel.com
July 22, 2013
Revision 1.0
hbwhelp@micrel.com
or (408) 955-1690

 
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