參數(shù)資料
型號(hào): SM802108UMG
廠商: MICREL INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 156.25 MHz, OTHER CLOCK GENERATOR, QCC24
封裝: 4 X 4 MM, GREEN, QFN-24
文件頁數(shù): 5/11頁
文件大?。?/td> 457K
代理商: SM802108UMG
Micrel, Inc.
SM802108
January 2011
3
M9999-012111-A
hbwhelp@micrel.com or (408) 955-1690
Pin Description (Continued)
Pin Number
Pin Name
Pin Type
Pin Level
Pin Function
7, 12, 15, 19
TEST
Factory Test Pins, Do not connect anything to these pins.
8
VDD
PWR
Core Power Supply
9
REF_IN
I, (SE)
LVCMOS
Reference Clock Input
10
XIN
I, (SE)
12pF crystal
Crystal Reference Input, no load caps needed.
See Fig. 5.
11
XOUT
O, (SE)
12pF crystal
Crystal Reference Output, no load caps needed.
See Fig. 5.
13, 14
VSS
PWR
Core Power Supply Ground
18
VDDO1
PWR
Power Supply for Output Bank 1
22
VSSO1
PWR
Power Supply Ground for Output Bank 1
Application Information
Input Reference
When operating with a crystal input reference, do not
apply a switching signal to REF_IN.
Crystal Layout
Keep the layers under the crystal as open as possible.
Do not place switching signals or noisy supplies under
the crystal.
Truth Table
PLL_BYPASS
XTAL_SEL
INPUT
OUTPUT
0
PLL
1
XTAL/REF_IN
0
REF_IN
1
XTAL
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SM802108UMG TR 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 2 x 156.25MHz + 2 x 125MHz LVPECL 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
SM802108UMGR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ClockWorks? 10GbE & GbE (156.25MHz, 125MHz) Ultra-Low Jitter, LVPECL Frequency Synthesizer
SM802109 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ClockWorks? PCI-e Quad 100MHz Ultra-Low Jitter, HCSL Frequency Synthesizer
SM802109UMG 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 4 x 100MHz LVPECL 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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