參數資料
| 型號： | SM802121UMG TR |
| 廠商： | Micrel Inc |
| 文件頁數： | 1/10頁 |
| 文件大小： | 0K |
| 描述： | IC FREQ SYNTH 156.25MHZ 24QFN |
| 標準包裝： | 1,000 |
| 系列： | ClockWorks™, RotaryWave™ |
| 類型： | * |
| PLL： | 是 |
| 輸入： | CMOS，晶體 |
| 輸出： | LVPECL |
| 電路數： | 1 |
| 比率 - 輸入:輸出： | 2:1 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 156.25MHz |
| 除法器/乘法器： | 是/無 |
| 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 |
| 供應商設備封裝： | 24-QFN（4x4） |
| 包裝： | 帶卷 (TR) |
SM802121
ClockWorks
10GbE
(156.25MHz), 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
January 2012
M9999-011212-A
hbwhelp@micrel.com or (408) 955-1690
General Description
The SM802121 is a member of the ClockWorks
family of
devices from Micrel and provides an extremely low-noise
timing solution for 10GbE Ethernet clock signals. It is
based upon a unique patented RotaryWave
architecture
that provides very-low phase noise.
The device operates from a 2.5V or 3.3V power supply
and synthesizes an LVPECL output clock at 156.25MHz.
The SM802121 accepts a 25MHz 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 LVPECL clock outputs at 156.25MHz
2.5V or 3.3V operating range
Typical phase jitter @ 156.25MHz
(1.875MHz to 20MHz): 110fs
Industrial temperature range
Green, RoHS-, and PFOS- compliant
Available in 24-pin 4mm 4mm QFN package
Applications
10 Gigabit Ethernet
Block Diagram
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SM802122UMG | 功能描述:時鐘合成器/抖動清除器 8 LVDS at 312.5 MHz Clock Synthesizer RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SM802122UMG TR | 功能描述:時鐘合成器/抖動清除器 8 LVDS at 312.5 MHz Clock Synthesizer RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SM802123 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ClockWorks? 125MHz/25MHz Ultra-Low Jitter, LVCMOS Frequency Synthesizer |
| SM802123UMG | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ClockWorks? 125MHz/25MHz Ultra-Low Jitter, LVCMOS Frequency Synthesizer |
| SM802123UMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ClockWorks? 125MHz/25MHz Ultra-Low Jitter, LVCMOS Frequency Synthesizer |
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