參數(shù)資料
型號(hào)： SY89850UMG
廠商： MICREL INC
元件分類： 通用總線功能
英文描述： Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????)
中文描述： LINE RECEIVER, DSO8
封裝： 2 X 2 MM, LEAD FREE, MLF-8
文件頁(yè)數(shù)： 9/10頁(yè)
文件大小： 561K
代理商： SY89850UMG
Micrel, Inc.
SY89850U
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
February 2005
9
M9999-020305
hbwhelp@micrel.com
or (408) 955-1690
impedance
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.
Note:
1.
For +2.5V systems, R1 = 250
, R2 = 62.5
.
Figure 4a. Parallel Termination-Thevenin Equivalent
Notes:
1. Power-saving alternative to Thevenin termination.
2. Place termination resistors as close to destination inputs as possible.
3. R
b
resistor sets the DC bias voltage, equal to V
T
.
4. For 2.5V systems, R
b
= 19
.
Figure 4b. Parallel Termination (3-Resistor)
Related Product and Support Documentation
Part Number
Function
Data Sheet Link
SY58601U
Ultra-Precision Differential 800mV LVPECL
Line Driver/Receiver with Internal Termination
MLF
TM
Application Note
www.micrel.com/product-info/products/sy58601u.shtml
www.amkor.com/products/notes_papers/MLF_AppNote.pdf
HBW Solutions
New Products and Applications
www.micrel.com/product-info/products/solutions.shtml
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SY89850UMG TR 功能描述:轉(zhuǎn)換 - 電壓電平 Low Power LVPECL Driver with Internal Termination RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8
SY89850UMGTR 制造商:Micrel Inc 功能描述:
SY89850UMG-TR 功能描述:IC DRVR/RCVR LVPECL PREC 8-MLF 制造商:microchip technology 系列:SY89 包裝:剪切帶（CT） 零件狀態(tài):有效 邏輯類型:差分接收器/驅(qū)動(dòng)器 電源電壓:3 V ~ 3.6 V 位數(shù):- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤，8-MLF? 供應(yīng)商器件封裝:8-MLF?（2x2） 標(biāo)準(zhǔn)包裝:1
SY89851U 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Low Power, 3GHz, 1:2 LVPECL Fanout
SY89851U_10 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Low Power, 3GHz, 1:2 LVPECL Fanout
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