FEMTOCLOCK
參數(shù)資料
型號(hào): ICS843021AGLF
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 15/15頁(yè)
文件大?。?/td> 0K
描述: IC CLK GEN 1GIG LVPECL 8-TSSOP
特色產(chǎn)品: Gigabit Ethernet Clock Synthesizer
標(biāo)準(zhǔn)包裝: 96
系列: HiPerClockS™, FemtoClock™
類型: 時(shí)鐘/頻率合成器,時(shí)鐘發(fā)生器
PLL:
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(wú)/是
頻率 - 最大: 140MHz
除法器/乘法器: 是/無(wú)
電源電壓: 2.97 V ~ 3.63 V
工作溫度: 0°C ~ 70°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
產(chǎn)品目錄頁(yè)面: 1250 (CN2011-ZH PDF)
其它名稱: 800-1133
800-1133-5
800-1133-ND
843021AGLF
ICS843021AG REVISION D OCTOBER 12, 2010
9
2010 Integrated Device Technology, Inc.
ICS843021 Data Sheet
FEMTOCLOCK CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR
Schematic Example
Figure 5A shows a schematic example of using an ICS843021. An
example of LVPECL termination is shown in this schematic.
Additional LVPECL termination approaches are shown in the
LVPECL Termination Application Note. In this example, an 18pF
parallel resonant crystal is used for generating 125MHz output
frequency. TheC1 = 27pF and C2 = 33pF are recommended for
frequency accuracy. For a different board layout, the C1 and C2
values may be slightly adjusted for optimizing frequency accuracy.
Figure 5. ICS843021 Schematic Example
Schematic Example
Figure 5B shows an example of ICS843021 P.C. board layout. The
crystal X1 footprint shown in this example allows installation of either
surface mount HC49S or through-hole HC49 package. The footprints
of other components in this example are listed in the Table 7 There
should be at least one decoupling capacitor per power pin. The
decoupling capacitors should be located as close as possible to the
power pins. The layout assumes that the board has clean analog
power ground plane.
Figure 5B. ICS843021 PC Board Layout Example
Table 7. Footprint Table
NOTE: Table 7 lists component sizes
shown in this layout example.
Reference
Size
C1, C2
0402
C3
0805
C4, C5
0603
R2
0603
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ICS843021AGLFT 功能描述:IC CLK GENERATOR LVPECL 8-TSSOP RoHS:是 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:HiPerClockS™, FemtoClock™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時(shí)鐘/頻率合成器,扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP(8x8) 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT
ICS843021AGT 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
ICS843021I-01 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V 125MHZ LVPECL CLOCK GENERATOR
ICS843022 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
ICS843022AG 制造商:INT_DEV_TECH 功能描述: