參數(shù)資料
型號: SM802104UMG
廠商: Micrel Inc
文件頁數(shù): 1/11頁
文件大?。?/td> 0K
描述: IC SYNTHESIZER 2CH 24-QFN
產(chǎn)品培訓(xùn)模塊: High Bandwidth Product Overview
標(biāo)準(zhǔn)包裝: 100
系列: ClockWorks™, RotaryWave™
類型: 時鐘/頻率合成器,多路復(fù)用器
PLL:
主要目的: 光纖通道
輸入: LVCMOS,晶體
輸出: LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 212.5MHz
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN(4x4)
包裝: 管件
其它名稱: 576-3929
SM802104
ClockWorks
Fibre Channel
(106.25MHz, 212.5MHz), Ultra-Low Jitter,
LVPECL 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
April 2011
M9999-042111-A
hbwhelp@micrel.com or (408) 955-1690
General Description
The SM802104 is a member of the ClockWorks
family of
devices from Micrel and provides an extremely low-noise
timing solution for Fibre Channel 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 LVPECL output clocks at 106.25MHz or
212.5MHz. There are normally two clock outputs, but one
output can be achieved by powering down the second
output with the OE pin. The SM802104 accepts a
26.5625MHz crystal or LVCMOS reference clock.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Generates one or two LVPECL clock outputs at
106.25MHz or 212.5MHz
2.5V or 3.3V operating range
Typical phase jitter @ 106.25MHz
(637kHz to 10MHz): 200fs
Industrial temperature range
Green, RoHS, and PFOS compliant
Available in 24-pin 4mm × 4mm QFN package
Applications
Fibre Channel
Storage Networking (SAN, NAS)
Block Diagram
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