參數(shù)資料
型號(hào)： SY89828LHI
廠商： Micrel Inc
文件頁數(shù)： 1/13頁
文件大?。?/td> 0K
描述： IC CLK BUF MUX TRNSL 2:10 64TQFP
標(biāo)準(zhǔn)包裝： 160
系列： Precision Edge®
類型： 扇出緩沖器（分配），多路復(fù)用器，變換器
電路數(shù)： 2
比率 - 輸入:輸出： 2:10
差分 - 輸入:輸出： 是/是
輸入： LVDS，PECL
輸出： LVDS
頻率 - 最大： 1GHz
電源電壓： 3 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 64-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝： 64-EP-TQFP
包裝： 托盤
1
Precision Edge
SY89828L
MicreL, Inc.
M9999-012208
hbwhelp@micrel.com or (408) 955-1690
DESCRIPTION
■ High-performance dual 1:10, 1GHz LVDS fanout
buffer/translator
■ Two banks of 10 differential LVDS outputs
■ Guaranteed AC parameters over temperature and
voltage:
> 1GHz fMAX
< 50ps within device skew
< 400ps tr, tf time
■ Each bank includes a 2:1 input mux
■ 2:1 mux input accepts LVDS and LVPECL
■ Low jitter performance
< 1ps
RMS cycle-to-cycle jitter
< 1ps
PP total jitter
■ 3.3V supply voltage
■ Output enable function
■ LVDS input includes internal 100 termination
■ Available in a 64-Pin EPAD-TQFP
FEATURES
3.3V 1GHz DUAL 1:10 PRECISION
LVDS FANOUT BUFFER/
TRANSLATOR WITH 2:1 INPUT MUX
Precision Edge
SY89828L
APPLICATIONS
■ Enterprise networking
■ High-end servers
■ Communications
Rev.: D
Amendment: /0
Issue Date:
January 2008
The SY89828L is a precision fanout buffer with 20
differential LVDS (Low Voltage Differential Swing) output
pairs. The part is designed for use in low voltage 3.3V
applications that require a large number of outputs to drive
precisely aligned, ultra low-skew signals to their destination.
The input is multiplexed from either LVDS or LVPECL (Low
Voltage Positive Emitter Coupled Logic) by the CLK_SEL1
and CLK_SEL2 pins. The Output Enables (OE1 and OE2)
are synchronous so that the outputs will only be enabled/
disabled when they are already in the LOW state. This
avoids any chance of generating a runt clock pulse when
the device is enabled/disabled as can happen with an
asynchronous control.
The SY89828L features a low pin-to-pin skew of less
than 50ps—performance previously unachievable in a
standard product having such a high number of outputs.
The SY89828L is available in a single space saving package,
enabling a lower overall cost solution.
TYPICAL APPLICATION CIRCUIT
SEL1
Primary/Backup Clock Select
(Switchover with 2.0ns)
LVDS_CLKA
/LVDS_CLKA
LVDS_CLKB
/LVDS_CLKB
Primary Clock Source
Backup Clock Source
5
100
Primary
Card
Redundant
Card
System using SY89828L as a switchover circuit from a Primary Clock to a Redundant backup Clock in a fail-safe application.
LVPECL inputs not shown in this application.
Precision Edge is a registered trademark of Micrel, Inc.
Precision Edge
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SY89828LHITR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR WITH 2:1 INPUT MUX
SY89828LHY 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V Dual 1:10 LVDS Fanout/Translator (I Temp, Lead Free) RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
SY89828LHY TR 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3.3V Dual 1:10 LVDS Fanout/Translator (I Temp, Lead Free) RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
SY89828LHYTR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR WITH 2:1 INPUT MUX
SY89829U 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND REDUNDANT SWITCHOVER
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