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SY89838UMG PDF预览

SY89838UMG

更新时间: 2024-09-26 21:19:51
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动输出元件逻辑集成电路
页数 文件大小 规格书
16页 935K
描述
89838 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32

SY89838UMG 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:HVQCCN, LCC32,.2SQ,20Reach Compliance Code:compliant
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.23系列:89838
输入调节:DIFFERENTIAL MUXJESD-30 代码:S-XQCC-N32
JESD-609代码:e4长度:5 mm
逻辑集成电路类型:LOW SKEW CLOCK DRIVER湿度敏感等级:2
功能数量:1反相输出次数:
端子数量:32实输出次数:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC32,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE最大电源电流(ICC):350 mA
Prop。Delay @ Nom-Sup:0.04 ns传播延迟(tpd):0.95 ns
认证状态:Not QualifiedSame Edge Skew-Max(tskwd):0.04 ns
座面最大高度:0.9 mm最大供电电压 (Vsup):2.625 V
最小供电电压 (Vsup):2.375 V标称供电电压 (Vsup):2.5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
宽度:5 mm最小 fmax:1500 MHz
Base Number Matches:1

SY89838UMG 数据手册

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SY89838U  
Precision 1:8 LVDS Clock Fanout Buffer  
with 2:1 Runt Pulse Eliminator Input MUX  
General Description  
The SY89838U is a low jitter, low skew, high-speed  
1:8 fanout buffer with a unique, 2:1 differential input  
multiplexer (MUX) optimized for redundant source  
switchover applications. Unlike standard multiplexers,  
the SY89838U unique 2:1 Runt Pulse Eliminator  
(RPE) 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 DC voltage (voltage  
between the pins of the differential input drops below  
200mV). The SY89838U distributes clock frequencies  
from 1kHz to 1.5GHz, guaranteed, over temperature  
and voltage.  
Precision Edge®  
Features  
Selects between two clocks, and provides 8  
precision, low skew LVDS output copies  
2:1 MUX input provides a glitch-free, stable LVDS  
output  
Guaranteed AC performance over temperature and  
supply voltage:  
– Wide operating frequency: 1kHz to >1.5GHz  
– <150ps tr/tf  
– <40ps output-to-output skew  
Unique patent-pending input isolation design  
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 (400MvPP) without any level  
shifting or termination resistor networks in the signal  
path. The outputs are 350mV compatible LVDS with  
fast rise/fall times guaranteed to be less than 150ps.  
minimizes crosstalk  
Fail-safe input prevents oscillation  
Ultra-low jitter design:  
– 150fs RMS phase jitter  
– <0.7psRMS MUX crosstalk induced jitter  
Unique patent-pending input termination and VT pin  
accepts DC- and AC-coupled inputs (CML, PECL,  
LVDS)  
The SY89838U operates from a 2.5V ±5% supply and  
is guaranteed over the full industrial temperature range  
of –40°C to +85°C. For applications that require  
800mV LVPECL outputs, consider the SY89837U. The  
SY89838U is part of Micrel’s high-speed, Precision  
Edge® product line.  
350mV LVDS output swing  
Power supply 2.5V +5%  
–40°C to +85°C industrial temperature range  
Available in 32-pin (5mm x 5mm) QFN package  
All support documentation can be found on Micrel’s  
web site at: www.micrel.com.  
Applications  
Redundant clock switchover  
Failsafe clock protection  
Markets  
LAN/WAN  
Enterprise Servers  
ATE  
Test and Measurements  
Precision Edge is a registered trademark of Micrel, Inc  
May 2008  
M9999-051308-D  
hbwhelp@micrel.com or (408) 955-1690  

SY89838UMG 替代型号

型号 品牌 替代类型 描述 数据表
SY89838UMG-TR MICROCHIP

完全替代

89838 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32
SY89838UMG MICREL

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Precision 1:8 LVDS Clock Fanout Buffer with 2:1 Runt Pulse Eliminator Input MUX

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