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參數資料
| 型號： | SY58021U |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | 4GHz, 1:4 LVPECL FANOUT BUFFER/ TRANSLATOR WITH INTERNAL TERMINATION |
| 中文描述： | 4GHz的，1:4的LVPECL扇出緩沖器/有內部終端譯者 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 133K |
| 代理商： | SY58021U |
1
Precision Edge
Precision Edge
SY58021U
Micrel, Inc.
M9999-062405
hbwhelp@micrel.com or (408) 955-1690
DESCRIPTION
Precision 1:4, LVPECL fanout buffer
Guaranteed AC performance over temperature/
voltage:
>4GHz f
MAX
(clock)
<100ps t
r
/ t
f
Times
<300ps t
pd
<15ps max skew
Low jitter performance
<10ps
pp
total jitter (clock)
<1ps
rms
random jitter (data)
<10ps
pp
deterministic jitter (data)
Accepts an input signal as low as 100mV
Unique input termination and VT pin accepts
DC-coupled and AC-coupled differential inputs:
LVPECL, LVDS, and CML
100k LVPECL compatible 800mV swing output
Power supply 2.5V
±
5% and 3.3V
±
10%
–40
°
C to +85
°
C temperature range
Available in 16-pin (3mm
×
3mm) MLF package
FEATURES
4GHz, 1:4 LVPECL FANOUT
BUFFER/ TRANSLATOR
WITH INTERNAL TERMINATION
APPLICATIONS
I
All SONET and All GigE clock distribution
I
Fibre Channel clock and data distribution
I
Backplane distribution
I
High-end, low skew, multiprocessor synchronous
clock distribution
Rev.: D
Issue Date:
Amendment: /0
June 2005
The SY58021U is a 2.5V/3.3V precision, high-speed, fully
differential 1:4 LVPECL fanout buffer. Optimized to provide
four identical output copies with less than 15ps of skew and
less than 10ps
pp
total jitter, the SY58021U can process
clock signals as fast as 4GHz.
The differential input includes Micrel’s unique, 3-pin input
termination architecture interfaces to differential LVPECL,
CML, and LVDS signals (AC- or DC-coupled) as small as
100mV without any level-shifting or termination resistor
networks in the signal path. For AC-coupled input interface
applications, an on-board output reference voltage (V
REF-
AC
) is provided to bias the VT pin. The outputs are 100k
LVPECL compatible, with extremely fast rise/fall times
guaranteed to be less than 100ps.
The SY58021U operates from a 2.5V
±
5% supply or
3.3V
±
10% supply and is guaranteed over the full industrial
temperature range (–40
°
C to +85
°
C). For applications that
require faster rise/fall times, or greater bandwidth, consider
the SY58022U 1:4 fanout buffer with 400mV LVPECL output
swing, or the SY58020U 1:4 CML fanout buffer. The
SY58021U is part of Micrel’s high-speed, Precision Edge
product line.
All support documentation can be found on Micrel’s web
site at www.micrel.com.
FUNCTIONAL BLOCK DIAGRAM
TYPICAL PERFORMANCE
Precision Edge is a registered trademark of Micrel , Inc.
MicroLeadFrame and MLF are trademarks of Amkor Technology, Inc.
IN
/IN
Q1
/Q1
Q0
/Q0
V
T
50
50
V
REF-AC
Q3
/Q3
Q2
/Q2
Precision Edge
1.25GHz Output
TIME (100ps/div.)
A
(
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SY58021U_07 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:4GHz, 1:4 LVPECL FANOUT BUFFER/ TRANSLATOR WITH INTERNAL TERMINATION |
| SY58021U_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:4GHz, 1:4 LVPECL Fanout Buffer/Translator with Internal Termination Precision Edge |
| SY58021U_1109 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:4GHz, 1:4 LVPECL Fanout Buffer/Translator with Internal Termination Precision Edge? |
| SY58021UMG | 功能描述:緩沖器和線路驅動器 Ultra High Speed 1:4 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 |
| SY58021UMG TR | 功能描述:緩沖器和線路驅動器 Ultra High Speed 1:4 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 |
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