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參數(shù)資料
| 型號： | SM843251-156KATR |
| 廠商： | MICREL INC |
| 元件分類： | 時鐘產(chǎn)生/分配 |
| 英文描述： | 156.25 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封裝： | GREEN, TSSOP-8 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 333K |
| 代理商： | SM843251-156KATR |
SM843251-156
ClockWorks
10-Gigabit Ethernet,
156.25MHz, Ultra-Low Jitter LVPECL Clock
Frequency Synthesizer
ClockWorks is a trademark of Micrel, Inc.
RotaryWave is a registered trademark of Multigig, Inc.
FemtoClocks is a registered trademark of IDT, 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 SM843251-156 is a 10-Gigabit Ethernet, 156.25MHz
LVPECL clock frequency synthesizer and a member of the
ClockWorks
family of devices from Micrel. It provides a
low-noise timing solution for high-speed, high-accuracy
synthesis of clock signals. It includes a patented
RotaryWave
architecture that provides a very stable clock
with very low noise.
Power supplies of either 2.5V or 3.3V are supported, with
superior jitter and phase noise performance. The device
synthesizes a 156.25MHz, low-noise, LVPECL output for
Ethernet applications. The crystal reference frequency is
25MHz.
The SM843251-156 is an excellent replacement for IDT
FemtoClocks, with improved waveform integrity, and
jitter.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Generates a low-noise 156.25MHz LVPECL output
2.5V or 3.3V operating voltage
Typical phase jitter @156.25MHz~110fs
(1.875MHz
20MHz)
Crystal frequency: 25MHz
156.25MHz output frequency
Phase Noise @ 156.25MHz:
1kHz:
123dBc/Hz
10kHz:
130dBc/Hz
100kHz: 135dBc/Hz
1MHz:
140dBc/Hz
10MHz: 161dBc/Hz
20MHz: 166/dBc/Hz
Industrial temperature range
Green-, RoHS-, and PFOS-compliant
Available in 8-pin TSSOP
Applications
Gigabit Ethernet
10-Gigabit Ethernet
_______________________________________________________________________________________________________
Block Diagram
October 2010
M9999-100110-A
hbwhelp@micrel.com or (408) 955-1690
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM843256 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:10 Gigabit Ethernet and SONET, 6 output, Ultra-Low Jitter LVPECL Frequency Synthesizer |
| SM843256KA | 功能描述:時鐘合成器/抖動清除器 Low Noise Ethernet/SONET 6 Output LVPECL Clk Syn RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)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 |
| SM843256KA TR | 功能描述:時鐘合成器/抖動清除器 Low Noise Ethernet/SONET 6 Output LVPECL Clk Syn RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)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 |
| SM844256 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:10 Gigabit Ethernet and SONET, 6 Output, Ultra-Low Jitter LVDS Frequency Synthesizer |
| SM844256KA | 功能描述:時鐘合成器/抖動清除器 Low Noise Ethernet/SONET 6 Output LVDS Clk Syn RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)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 |
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