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參數(shù)資料
| 型號： | SM843251-156KA |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLK SYNTHESIZER LVPECL 8TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | High Bandwidth Product Overview |
| 標準包裝： | 150 |
| 系列： | ClockWorks™, RotaryWave™ |
| 類型： | 時鐘/頻率合成器 |
| PLL： | 是 |
| 主要目的： | 以太網(wǎng) |
| 輸入： | 晶體 |
| 輸出： | LVPECL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 156.25MHz |
| 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： | 8-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-TSSOP |
| 包裝： | 管件 |
| 其它名稱： | 576-3773-5 |
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 |
|---|---|
| SM843251-156KA TR | 功能描述:時鐘合成器/抖動清除器 Low Noise 156.25MHz 10GbE 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 |
| SM843251-156KATR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ClockWorks? 10-Gigabit Ethernet, 156.25MHz, Ultra-Low Jitter LVPECL Clock Frequency Synthesizer |
| 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 |
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