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參數(shù)資料
| 型號： | SY89827LHI |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 0K |
| 描述： | IC CLK FANT BUF MUX TRNSL 64TQFP |
| 標準包裝： | 160 |
| 系列： | Precision Edge® |
| 類型： | 扇出緩沖器（分配），多路復用器，變換器 |
| 電路數(shù)： | 1 或 2 |
| 比率 - 輸入:輸出： | 4:20，2:10 |
| 差分 - 輸入:輸出： | 是/是 |
| 輸入： | HSTL，LVPECL |
| 輸出： | HSTL |
| 頻率 - 最大： | 500MHz |
| 電源電壓： | 3.3 V ~ 3.47 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 |
| 供應商設(shè)備封裝： | 64-EP-TQFP |
| 包裝： | 托盤 |
1
Precision Edge
SY89827L
Micrel, Inc.
M9999-073010
hbwhelp@micrel.com or (408) 955-1690
DESCRIPTION
■
Dual LVPECL or HSTL input, 10 differential 1.5V
HSTL compatible outputs
■
Configurableasdual-channel10outputorasingle-
channel20outputclockdriver
■
GuaranteedACparametersovertemperatureand
voltage:
>500MHzfMAX
<50pswithindeviceskew
<1.5nspropagationdelay
<700pstr / tf time
■
Lowjitterdesign
186fsRMSphasejitter
■
3.3Vcoresupply,1.8Voutputsupply
■
Output enable function
■
Availableina64-PinEPAD-TQFP
FEATURES
3.3V500MHzDUAL1:10HSTLFANOUT
BUFFER/TRANSLATORWITH2:1MUXINPUT
Precision Edge
SY89827L
APPLICATIONS
■
High-performancePCs
■
Workstations
■
Parallelprocessor-basedsystems
■
Otherhigh-performancecomputing
■
Communications
Rev.: F
Amendment: /0
Issue Date: July 2010
The SY89827L is a High Performance Bus Clock
Driver with dual 1:10 or single 1:20 HSTL (High Speed
Transceiver Logic) output pairs. The part is designed for
use in low voltage (3.3V/1.8V) applications which require a
large number of outputs to drive precisely aligned, ultra low
skew signals to their destination. The input is multiplexed
from either HSTL or LVPECL (Low Voltage Positive Emitter
Coupled Logic) by the CLK_SEL pin. The Output Enables
(OE1 & 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 SY89827L features extremely low skew performance
of <50ps over temperature and voltage –performance
previously unachievable in a standard product having such
a high number of outputs. The SY89827L is available in a
single space saving package, enabling a lower overall cost
solution. For applications that require greater HSTL fanout
capability, consider the SY89824L.
TYPICALAPPLICATIONCIRCUIT
SEL1
Primary/Backup Clock Select
(Switchover within 2.0ns)
LVPECL_CLKA
/LVPECL_CLKA
LVPECL_CLKB
/LVPECL_CLKB
PrimaryClockSource
RedundantBackup
ClockSource
10
Primary
Card
Redundant
Card
System using SY89827L as a switchover circuit from a Primary Clock to a Redundant Backup Clock in a failsafe application.
LVPECL inputs only, 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 |
|---|---|
| SY89827LHITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 500MHz DUAL 1:10 HSTL FANOUT BUFFER/TRANSLATOR WITH 2:1 MUX INPUT |
| SY89827LHY | 功能描述:時鐘緩沖器 3.3V Dual 1:20 Diff HSTL Fanout Buffer (I Temp, Lead Free) RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| SY89827LHY TR | 功能描述:時鐘緩沖器 3.3V Dual 1:20 Diff HSTL Fanout Buffer (I Temp, Lead Free) RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| SY89827LHYTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 500MHz DUAL 1:10 HSTL FANOUT BUFFER/TRANSLATOR WITH 2:1 MUX INPUT |
| SY89828L | 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 |
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