參數(shù)資料
型號： SY89473UMGTR
廠商： MICREL INC
元件分類： 通用總線功能
英文描述： Precision LVPECL 2:1 Multiplexer with 1:2 Fanout and Internal Termination
中文描述： 89473 SERIES, 2 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, QCC24
封裝： 4 X 4 MM, LEAD FREE, MLF-24
文件頁數(shù)： 10/11頁
文件大?。?/td> 565K
代理商： SY89473UMGTR
Micrel, Inc.
SY89473U
LVPECL Output Interface Applications
LVPECL has a high input impedance, a very low
output impedance (open emitter), and a small signal
swing which results in low EMI. LVPECL is ideal for
driving
50
-
and-100
-controlled
transmission lines. There are several techniques for
terminating the LVPECL output including: Parallel
Termination-Thevenin
Termination
(3-resistor),
Termination. Unused output pairs may be left
floating. However, single-ended outputs must be
terminated, or balanced.
May 2005
10
M9999-052405
hbwhelp@micrel.com
or (408) 955-1690
impedance
Equivalent,
and
Parallel
AC-coupled
Note:
1.
Figure 4a. Parallel Termination-Thevenin Equivalent
For +2.5V systems, R1 = 250
, R2 = 62.5
.
Note:
1.
2.
Power-saving alternative to Thevenin termination.
Place termination resistors as close to destination inputs as
possible.
Rb resistor sets the DC bias voltage, equal to V
T
.
For 2.5V systems, Rb = 19
.
3.
4.
Figure 4b. Parallel Termination (3-Resistor)
Related Product and Support Information
Part Number
Function
SY89474U
Precision LVDS 2:1 Multiplexer with
1:2 Fanout and Internal Termination
SY89475U
Precision CML 2:1 Multiplexer with
1:2 Fanout and Internal Termination
MLF
TM
Application Note
HBW
Solutions
Data Sheet Link
www.micrel.com/product-info/products/sy89474u.shtml
www.micrel.com/product-info/products/sy89475u.shtml
www.amkor.com/products/notes_papers/MLFAppNote.pdf
www.micrel.com/product-info/products/solutions.shtml
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相關代理商/技術參數(shù)
參數(shù)描述
SY89474U 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS 2:1 Multiplexer with 1:2
SY89474U_10 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS 2:1 Multiplexer with 1:2
SY89474UMG 功能描述:編碼器、解碼器、復用器和解復用器 2.5/3.3V 2:1 LVDS MUX w/ 1:2 Fanout (I Temp, Green) 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SY89474UMG TR 功能描述:編碼器、解碼器、復用器和解復用器 2.5/3.3V 2:1 LVDS MUX w/ 1:2 Fanout (I Temp, Green) 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SY89474UMGTR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS 2:1 Multiplexer with 1:2
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