參數資料
| 型號： | SY89837UMG |
| 廠商： | Micrel Inc |
| 文件頁數： | 1/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CLK BUFF MUX 2:8 2GHZ 32-MLF |
| 標準包裝： | 60 |
| 系列： | Precision Edge® |
| 類型： | 扇出緩沖器（分配），多路復用器 |
| 電路數： | 1 |
| 比率 - 輸入:輸出： | 2:8 |
| 差分 - 輸入:輸出： | 是/是 |
| 輸入： | CML，LVDS，PECL |
| 輸出： | LVPECL |
| 頻率 - 最大： | 2GHz |
| 電源電壓： | 2.375 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤，32-MLF? |
| 供應商設備封裝： | 32-MLF?（5x5） |
| 包裝： | 管件 |
| 產品目錄頁面： | 1084 (CN2011-ZH PDF) |
| 其它名稱： | 576-2094-5 SY89837UMG-ND |
1
Precision Edge
SY89837U
Micrel, Inc.
M9999-060410
hbwhelp@micrel.com or (408) 955-1690
DESCRIPTION
■
Selects between two clocks, and provides 8
precision, low skew LVPECL output copies
■
Guaranteed AC performance over temperature and
supply voltage:
■
Wide operating frequency: 1kHz to >1.5GHz
<975ps in-to-out tpd
<180ps tr/tf
<40ps output-to-output skew
■
Unique input isolation design minimizes crosstalk
■
Ultra-low jitter design:
150fs RMS phase jitter
<0.7psrms MUX crosstalk induced jitter
■
Unique input termination and VT pin accepts DC- or
AC-coupled inputs (CML, PECL, LVDS)
■
800mV LVPECL output swing
■
Power supply +2.5V±5% or +3.3V±10%
■
–40°C to +85°C industrial temperature range
■
Available in 32-pin (5mm x 5mm) QFN package
FEATURES
PRECISION 1:8 LVPECL FANOUT
BUFFER WITH 2:1 RUNT PULSE
ELIMINATOR INPUT MUX
Precision Edge
SY89837U
APPLICATIONS
■
Redundant clock distribution
■
Fail-safe clock protection
Rev.: F
Amendment: /0
Issue Date: June 2010
The SY89837U is a low jitter, low skew, high-speed 1:8
fanout buffer with a unique, 2:1 differential input multiplexer
.
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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 registered trademark of Micrel, Inc.
Precision Edge
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SY89837UMG TR | 功能描述:編碼器、解碼器、復用器和解復用器 Ultra-low jitter 1:8 LVPECL fanout w/ 2:1 RPE MUX (I Temp, Green) RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（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 |
| SY89837UMGTR | 制造商:Micrel Inc 功能描述:Clock Driver 2-IN LVPECL 32-Pin MLF T/R 制造商:Micrel 功能描述:Clock Driver 2-IN LVPECL 32-Pin MLF T/R |
| SY89837UMI | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX |
| SY89837UMITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX |
| 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 |
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