hbwhelp@micrel.com or (408) 955-1690 LVPECL Output I" />
參數(shù)資料
型號: SY89856UMG
廠商: Micrel Inc
文件頁數(shù): 4/13頁
文件大?。?/td> 0K
描述: IC CLK BUFF MUX 2:6 3GHZ 32-MLF
標(biāo)準(zhǔn)包裝: 60
系列: Precision Edge®
類型: 扇出緩沖器(分配),多路復(fù)用器
電路數(shù): 1
比率 - 輸入:輸出: 2:6
差分 - 輸入:輸出: 是/是
輸入: CML,LVDS,PECL
輸出: LVPECL
頻率 - 最大: 3GHz
電源電壓: 2.375 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,32-MLF?
供應(yīng)商設(shè)備封裝: 32-MLF?(5x5)
包裝: 管件
產(chǎn)品目錄頁面: 1084 (CN2011-ZH PDF)
其它名稱: 576-2102-5
SY89856UMG-ND
Micrel, Inc.
SY89856U
Oct. 1, 2013
12
Revision 3.1
hbwhelp@micrel.com or (408) 955-1690
LVPECL Output Interface Applications
LVPECL has a high input impedance and a very low
output impedance (open emitter), and a small signal
swing which results in low EMI.
LVPECL is ideal for
driving 50
Ω and 100Ω-controlled impedance transmission
lines. There are several techniques for terminating the
LVPECL output: parallel termination-Thevenin equivalent,
parallel
termination
(3-resistor),
and
AC-coupled
termination. Unused output pairs may be left floating.
However, single-ended outputs must be terminated or
balanced.
Figure 10. Parallel Termination-Thevenin Equivalent
Note:
12. For 2.5V Systems: R1 = 250
Ω, R2 = 62.5Ω.
Figure 11. Parallel Termination (3-Resistors)
Notes:
13. Power-saving alternative to Thevenin termination.
14. Place termination resistors as close to destination inputs as possible.
15. Rb resistor sets the DC bias voltage, equal to VT.
16. For 2.5V systems, Rb = 19Ω.
Related Documentation
Part Number
Function
Datasheet Link
SY58035U
4.5GHz, 1:6 LVPECL Fanout Buffer with
2:1 MUX Input and Internal Termination
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SY89856UMG TR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2.5V/3.3V Low Power 1:6 LVPECL Fanout with 2:1 MUX Input and Internal Input Termination RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SY89856UMGTR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2GHz, Low-Power, 1:6 LVPECL Fanout Buffer with 2:1 Input MUX and Internal Termination
SY89858U 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision Low Power 1:8 LVPECL
SY89858U_07 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision Low Power 1:8 LVPECL Fanout Buffer with Internal Termination
SY89858U_10 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision Low Power 1:8 LVPECL