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參數(shù)資料
| 型號(hào)： | ICS843081I-01 |
| 英文描述： | FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK MULTIPLIER |
| 中文描述： | FEMTOCLOCKS⑩晶體到3.3伏，2.5伏的LVPECL時(shí)鐘倍頻 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 195K |
| 代理商： | ICS843081I-01 |
843081AGI-01
www.icst.com/products/hiperclocks.html
REV. B JANUARY 23, 2006
8
Integrated
Circuit
Systems, Inc.
ICS843081I-01
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
-
3.3V, 2.5V LVPECL C
LOCK
M
ULTIPLIER
T
ERMINATION
FOR
3.3V LVPECL O
UTPUT
The clock layout topology shown below is a typical termina-
tion 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, termi-
nating resistors (DC current path to ground) or current sources
must be used for functionality. These outputs are designed
F
IGURE
3B. LVPECL O
UTPUT
T
ERMINATION
F
IGURE
3A. LVPECL O
UTPUT
T
ERMINATION
to drive 50
Ω
transmission lines. Matched impedance tech-
niques should be used to maximize operating frequency and
minimize signal distortion.
Figures 3A and 3B
show two dif-
ferent layouts which are recommended only as guidelines.
Other suitable clock layouts may exist and it would be rec-
ommended 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
= 50
Ω
Z
o
= 50
Ω
FOUT
FIN
RTT =
Z
o
1
((V
OH
+ V
OL
) / (V
CC
– 2)) – 2
3.3V
125
Ω
125
Ω
84
Ω
84
Ω
Z
o
= 50
Ω
Z
o
= 50
Ω
FOUT
FIN
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| ICS8430BI-71L | 700MHZ, LOW JITTER, CRYSTAL INTERFACE / LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS8430BYI-71 | 700MHZ, LOW JITTER, CRYSTAL INTERFACE / LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS8430BYI-71LF | 700MHZ, LOW JITTER, CRYSTAL INTERFACE / LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS8430BYI-71LFT | 700MHZ, LOW JITTER, CRYSTAL INTERFACE / LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS8430BYI-71T | 700MHZ, LOW JITTER, CRYSTAL INTERFACE / LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS8430AY-51 | 制造商:ICS 制造商全稱:ICS 功能描述:600MHZ, LOW JITTER LVCMOS/ LVTTL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS8430AY-51T | 制造商:ICS 制造商全稱:ICS 功能描述:600MHZ, LOW JITTER LVCMOS/ LVTTL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS8430AY-61 | 制造商:Integrated Device Technology Inc 功能描述: |
| ICS8430AY-61LF | 功能描述:IC SYNTHESIZR DUAL LVPECL 32LQFP 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™ 標(biāo)準(zhǔn)包裝:2,000 系列:- 類型:PLL 頻率合成器 PLL:是 輸入:晶體 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:1 差分 - 輸入:輸出:無/無 頻率 - 最大:1GHz 除法器/乘法器:是/無 電源電壓:4.5 V ~ 5.5 V 工作溫度:-20°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-LSSOP（0.175"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:NJW1504V-TE1-NDNJW1504V-TE1TR |
| ICS8430AY-61LFT | 功能描述:IC SYNTHESIZER LVPECL 32-LQFP 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™ 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 |
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