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參數(shù)資料
| 型號： | SY89464UMY TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK MUX 2:10 2GHZ 44-MLF |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | Precision Edge® |
| 類型： | 多路復(fù)用器 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:10 |
| 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： | 44-VFQFN 裸露焊盤，44-MLF? |
| 供應(yīng)商設(shè)備封裝： | 44-MLF?（7x7） |
| 包裝： | 帶卷 (TR) |
SY89464U
Precision LVPECL 1:10 Fanout with 2:1 Runt
Pulse Eliminator MUX and Internal Termination
Precision Edge is a registered trademark of Micrel, Inc.
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
December 2007
M9999-120607-C
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY89464U is a low jitter 1:10 LVPECL fanout
buffer with a 2:1 differential input multiplexer (MUX)
optimized
for
redundant
source
switchover
applications.
Unlike
standard
multiplexers,
the
SY89464U’s unique 2:1 Runt Pulse Eliminator
(RPE) MUX prevents any short cycles or “runt”
pulses during switchover. In addition, a unique Fail-
Safe Input (FSI) protection prevents metastable
output conditions when the selected input clock fails
to a DC voltage (voltage between the pins of the
differential input drops below 100mV).
The differential input includes Micrel’s unique, 3-pin
internal
termination
architecture
that
allows
customers to interface to any differential signal (AC-
or DC-coupled) as small as 100mV (200mVPP)
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 220ps.
The SY89464U 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
SY89464U 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
Features
Selects between two sources, and provides 10
precision LVPECL copies
Guaranteed AC performance over temperature and
supply voltage:
– Wide operating frequency: 1kHz to >1.5GHz
– < 1100ps In-to-Out tpd
– < 220ps tr/tf
Unique, patent-pending MUX input isolation design
minimizes adjacent channel crosstalk
Fail-Safe Input prevents oscillations
Ultra-low jitter design:
– <1psRMS random jitter
– <1psRMS cycle-to-cycle jitter
– <10psPP total jitter (clock)
– <0.7psRMS MUX crosstalk induced jitter
Unique patented internal termination and VT pin
accepts DC- and AC-coupled inputs (CML, PECL,
LVDS)
800mV LVPECL output
2.5V ±5% or 3.3V ±10% supply voltage
Output enable
-40°C to +85°C industrial temperature range
Available in 44-pin (7mm x 7mm) QFN package
Applications
Redundant clock switchover
Fail-safe clock protection
Markets
LAN/WAN
Enterprise servers
ATE
Test and measurement
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| SY89465UMY TR | IC CLOCK MUX 2:10 2GHZ 44-MLF |
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| SY89473UMG TR | IC MUX 2:1 LVDS 1:2 FANOUT 24MLF |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY89465U | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination |
| SY89465U_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination |
| SY89465UMG | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination |
| SY89465UMG TR | 功能描述:IC CLOCK MUX 2:10 2GHZ 44-MLF RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器，驅(qū)動器 系列:Precision Edge® 產(chǎn)品培訓(xùn)模塊:High Bandwidth Product Overview 標(biāo)準(zhǔn)包裝:1,000 系列:Precision Edge® 類型:扇出緩沖器（分配） 電路數(shù):1 比率 - 輸入:輸出:1:4 差分 - 輸入:輸出:是/是 輸入:CML，LVDS，LVPECL 輸出:CML 頻率 - 最大:2.5GHz 電源電壓:2.375 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VFQFN 裸露焊盤，16-MLF? 供應(yīng)商設(shè)備封裝:16-MLF?（3x3） 包裝:帶卷 (TR) |
| SY89465UMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination |
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