參數(shù)資料
型號(hào): ICS843011AM-01LF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 113.33 MHz, OTHER CLOCK GENERATOR, PDSO8
封裝: 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
文件頁(yè)數(shù): 10/12頁(yè)
文件大小: 189K
代理商: ICS843011AM-01LF
843011AG-01
www.icst.com/products/hiperclocks.html
REV. A APRIL 7, 2005
7
Integrated
Circuit
Systems, Inc.
ICS843011-01
FEMTOCLOCKSCRYSTAL-TO-
3.3V LVPECL CLOCK GENERATOR
PRELIMINARY
TERMINATION FOR 3.3V LVPECL OUTPUT
The clock layout topology shown below is a typical termination
for LVPECL outputs. The two different layouts mentioned are
recommended only as guidelines.
FOUT and nFOUT are low impedance follower outputs that
generate ECL/LVPECL compatible outputs.Therefore, terminat-
ing resistors (DC current path to ground) or current sources
must be used for functionality. These outputs are designed to
FIGURE 3B. LVPECL OUTPUT TERMINATION
FIGURE 3A. LVPECL OUTPUT TERMINATION
drive 50
Ω transmission lines. Matched impedance techniques
should be used to maximize operating frequency and minimize
signal distortion.
Figures 3A and 3B show two different layouts
which are recommended only as guidelines. Other suitable clock
layouts may exist and it would be recommended that the board
designers simulate to guarantee compatibility across all printed
circuit and clock component process variations.
V
CC - 2V
50
Ω
50
Ω
RTT
Z
o = 50Ω
Z
o = 50Ω
FOUT
FIN
RTT =
Z
o
1
((V
OH + VOL) / (VCC – 2)) – 2
3.3V
125
Ω
125
Ω
84
Ω
84
Ω
Z
o = 50Ω
Z
o = 50Ω
FOUT
FIN
相關(guān)PDF資料
PDF描述
ICS843011AM-01 113.33 MHz, OTHER CLOCK GENERATOR, PDSO8
ICS843011CGLF 113.33 MHz, OTHER CLOCK GENERATOR, PDSO8
ICS843011CGLF 106.25 MHz, OTHER CLOCK GENERATOR, PDSO8
ICS843011CG 106.25 MHz, OTHER CLOCK GENERATOR, PDSO8
ICS843021AG 140 MHz, OTHER CLOCK GENERATOR, PDSO8
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參數(shù)描述
ICS843011C 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
ICS843011CG 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
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ICS843011CGLFT 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(pán) 供應(yīng)商設(shè)備封裝:56-VFQFP-EP(8x8) 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT
ICS843011CGT 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR