參數資料
型號： SY58012U
廠商： Micrel Semiconductor,Inc.
英文描述： 5GHz, 1:2 LVPECL FANOUT BUFFER/TRANSLATOR WITH INTERNAL INPUT TERMINATION
中文描述： 5GHz的，1:2的LVPECL扇出緩沖器/有內部輸入終端譯者
文件頁數： 8/9頁
文件大?。?/td> 118K
代理商： SY58012U
8
Precision Edge
SY58012U
Micrel
Part Number
Function
Data Sheet Link
SY58011U
7GHz, 1:2 CML Fanout Buffer/Translator
With Internal Input Termnations
http://www.micrel.com/product-info/products/sy58011u.shtml
SY58012U
5GHz, 1:2 LVPECL Fanout Buffer/Translator
With Internal Input Termination
http://www.micrel.com/product-info/products/sy58012u.shtml
SY58013U
6GHz, 1:2 Fanout Buffer/Translator w/400mV
LVPECL Outputs and Internal Terminations
http://www.micrel.com/product-info/products/sy58013u.shtml
16-MLF
Manufacturing Guidelines
Exposed Pad Application Note
www.amkor.com/products/notes_papers/MLF_AppNote_0902.pdf
M-0317
HBW Solutions
http://www.micrel.com/product-info/as/solutions.shtml
RELATED MICREL PRODUCTS AND SUPPORT DOCUMENTATION
R2
82
R2
82
Z
O
= 50
Z
O
= 50
+3.3V*
+3.3V*
V
T
= V
CC
—
2V
R1
130
R1
130
+3.3V*
Figure 5. Parallel Termination-Thevenin Equivalent
Note 1.
Note 2.
For +2.5V systems: R1 = 250
, R2 = 62.5
For +3.3V systems: R1 = 130
, R2 = 82
Z = 50
Z = 50
50
50
50
+3.3V
+3.3V
source
destination
Rb
C1
0.01
μ
F
(optional)
Figure 6. Three-Resistor
“
Y
–
Termination
”
Note 1.
Note 2.
Note 3.
Power-saving alternative to Thevenin termination.
Place termination resistors as close to destination inputs as possible.
R
b
resistor sets the DC bias voltage, equal to V
T
.
For +2.5V systems R
b
= 19
.
For +3.3V systems R
b
= 46
to 50
.
C1 is an optional bypass capacitor intended to compensate for any
t
r
/t
f
mismatches.
Note 4.
LVPECL OUTPUT
+3.3V
+3.3V
Z
O
= 50
R2
82
+3.3V
+3.3V
R1
130
R1
130
R2
82
V
T
= V
CC
—
2V
Q
/Q
R4
1k
R3
1.6k
V
T
= V
CC
—
1.3V
Figure 7. Terminating Unused I/O
Note 1.
Note 2.
Unused output (/Q) must be terminated to balance the output.
For +2.5V systems: R1 = 250
, R2 = 62.5
, R3 = 1.25k
,
R4 = 1.2k
.
For +3.3V systems: R1 = 130
, R2 = 82
, R3 = 1k
, R4 = 1.6k
.
Unused output pairs (Q and /Q) may be left floating.
Note 3.
LVPECL output have very low output impedance (open
emitter), and small signal swing which results in low EMI.
LVPECL is ideal for driving 50
and 100
controlled
impedance transmission lines. There are several techniques
in terminating the LVPECL output, as shown in Figures 5
through 7.
相關PDF資料
PDF描述
SY58012UMI 5GHz, 1:2 LVPECL FANOUT BUFFER/TRANSLATOR WITH INTERNAL INPUT TERMINATION
SY58012UMITR 5GHz, 1:2 LVPECL FANOUT BUFFER/TRANSLATOR WITH INTERNAL INPUT TERMINATION
SY58016LMI Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
SY58016LMITR Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
SY58016LXC Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C
相關代理商/技術參數
參數描述
SY58012U_07 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:5GHz, 1:2 LVPECL FANOUT BUFFER/TRANSLATOR
SY58012U_08 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:5GHz, 1:2 LVPECL FANOUT BUFFER/TRANSLATOR WITH INTERNAL INPUT TERMINATION
SY58012UMG 功能描述:緩沖器和線路驅動器 Ultra High Speed 1:2 800mV LVPECL Fanout Buffer/Translator (I Temp, Green) RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SY58012UMG TR 功能描述:緩沖器和線路驅動器 Ultra High Speed 1:2 800mV LVPECL Fanout Buffer/Translator (I Temp, Green) RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SY58012UMGTR 制造商:Micrel Inc 功能描述:Clock Fanout Buffer 4-OUT 16-Pin MLF T/R
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數量 廠商 批號 封裝
添加更多采購

我的聯系方式

*
*
*