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843751AMLFT PDF预览

843751AMLFT

更新时间: 2024-11-05 01:14:43
品牌 Logo 应用领域
艾迪悌 - IDT 时钟光电二极管外围集成电路晶体
页数 文件大小 规格书
17页 217K
描述
FemtoClock™ SAS/SATA Clock Generator

843751AMLFT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP8,.25针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
其他特性:CAN ALSO OPERATES WITH 2.375V TO 2.625V SUPPLYJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1端子数量:8
最高工作温度:70 °C最低工作温度:
最大输出时钟频率:75 MHz封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260电源:2.5/3.3 V
主时钟/晶体标称频率:25 MHz认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Clock Generators
最大压摆率:77 mA最大供电电压:3.465 V
最小供电电压:3.135 V标称供电电压:3.3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn) - annealed
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

843751AMLFT 数据手册

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FemtoClock™ SAS/SATA Clock Generator  
843751  
DATA SHEET  
General Description  
Features  
The 843751 is a low jitter, high performance clock generator. The  
843751 is designed for use in the SAS-2 interconnect and the three  
transport protocols that use the SAS-2 interconnect: Serial SCSI  
Protocol (SSP), Serial ATA Tunneled Protocol (STP), and Serial  
Management Protocol (SMP). The 843751 has excellent (<1ps)  
RMS phase jitter, over the SAS defined integration range. The  
843751 uses an external, 25MHz, parallel resonant crystal to  
generate 75MHz. This silicon based approach provides excellent  
frequency stability and reliability. The 843751 features up, down, and  
center spread spectrum (SSC) clocking techniques. The up, down  
and center SSC will be required in the SAS-2 applications that have  
three clock trees in the HBA and expander ASICs.  
Designed for use in SAS, SAS-2 systems  
Up, down and center Spread Spectrum Clocking (SSC)  
One differential 3.3V or 2.5V LVPECL output pair  
Output frequency: 75MHz  
RMS phase jitter @ 75MHz, (900kHz – 7.5MHz):  
0.734ps (typical) @ 3.3V  
3.3V or 2.5V operating supply modes  
0°C to 70°C ambient operating temperature  
Available in lead-free (RoHS 6) package  
Functional replacement part: 843002AYLF  
Applications  
SAS/SATA Host Bus Adapters  
SATA Port Multipliers  
SAS I/O Controllers  
TapeDrive and HDD Array Controllers  
SAS Edge and Fanout Expanders  
HDDs and TapeDrives  
Disk Storage Enterprise  
Block Diagram  
Pin Assignment  
25MHz  
75MHz  
XTAL_IN  
FemtoClock™  
OSC  
Q
nQ  
PLL  
XTAL_OUT  
Pulldown  
843751  
8-Lead SOIC, 150 Mil  
3.90mm x 4.90mm x 1.375mm package body  
M Package  
SSC_SEL[1:0]  
Top View  
843751 REVISION B 08.21.15  
1
©2015 Integrated Device Technology, Inc.  

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