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參數(shù)資料
| 型號： | SY89837UMTR |
| 廠商： | MICREL INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 89837 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32 |
| 封裝： | 5 X 5 MM, MLF-32 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 179K |
| 代理商： | SY89837UMTR |
1
SY89837U
Micrel
M9999-091404
hbwhelp@micrel.com or (408) 955-1690
DESCRIPTION
s Selects between two clocks, and provides 8
precision, low skew LVPECL output copies
s Guaranteed AC performance over temperature and
supply voltage:
s Wide operating frequency: 1kHz to >1.5GHz
<975ps in-to-out tpd
<180ps tr/tf
<40ps output-to-output skew
s Unique input isolation design minimizes crosstalk
s Ultra-low jitter design:
<1psrms random jitter
<1psrms cycle-to-cycle jitter
<10pspp total jitter (clock)
<0.7psrms MUX crosstalk induced jitter
s Unique input termination and VT pin accepts DC- or
AC-coupled inputs (CML, PECL, LVDS)
s 800mV LVPECL output swing
s Power supply +2.5V
±5% or +3.3V ±10%
s –40
°C to +85°C industrial temperature range
s Available in 32-pin (5mm
××××× 5mm) MLF package
FEATURES
PRECISION 1:8 LVPECL FANOUT
BUFFER WITH 2:1 RUNT PULSE
ELIMINATOR INPUT MUX
Precision Edge
SY89837U
APPLICATIONS
s Redundant clock distribution
s Fail-safe clock protection
Rev.: A
Amendment: /0
Issue Date:
September 2004
The SY89837U is a low jitter, low skew, high-speed 1:8
fanout buffer with a unique, 2:1 differential input multiplexer
(MUX) optimized for clock redundant switchover applications.
Unlike standard multiplexers, the SY89837U unique 2:1 runt
pulse eliminator (RPE) input MUX prevents any short cycles
or “runt” pulses during switchover. In addition, a unique fail-
safe input protection prevents metastable conditions when
the selected input clock fails to a static DC differential voltage
(differential input voltage drops below 200mV). The
SY89837U distributes clock frequencies from 1kHz to
1.5GHz, guaranteed, over temperature and voltage.
The differential input includes Micrel’s unique, 3-pin input
termination architecture that allows customers to interface
to any differential signal (AC- or DC-coupled) as small as
200mV without any level shifting or termination resistor
networks in the signal path. The outputs are 800mV, 100k
compatible LVPECL with fast rise/fall times guaranteed to
be less than 200ps.
The SY89837U operates from a +2.5V
±5% or
+3.3V
±10% supply and is guaranteed over the full industrial
temperature range of –40
°C to +85°C. The SY89837U 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.
Precision Edge is a trademark of Micrel, Inc.
MicroLeadFrame and MLF are trademarks of Amkor Technology, Inc.
Precision Edge
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY89838U | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 1:8 LVDS Clock Fanout Buffer with 2:1 Runt Pulse Eliminator Input MUX |
| SY89838U_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 1:8 LVDS Clock Fanout Buffer |
| SY89838UMG | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Ultra-low Jitter 1:8 Any-In to LVDS Fanout with 2:1 RPE/FSI Input MUX with Internal 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 |
| SY89838UMG TR | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Ultra-low Jitter 1:8 Any-In to LVDS Fanout with 2:1 RPE/FSI Input MUX with Internal 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 |
| SY89838UMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 1:8 LVDS Clock Fanout Buffer with 2:1 Runt Pulse Eliminator Input MUX |
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