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841N254AKIT PDF预览

841N254AKIT

更新时间: 2024-01-16 18:34:49
品牌 Logo 应用领域
艾迪悌 - IDT 时钟
页数 文件大小 规格书
23页 480K
描述
FEMTOCLOCK? NG Crystal-to-LVDS/HCSL Clock Synthesizer

841N254AKIT 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:VFQFPN
包装说明:HVQCCN,针数:32
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.33
Samacsys Confidence:3Samacsys Status:Released
2D Presentation:https://componentsearchengine.com/2D/0T/1912205.2.1.pngSchematic Symbol:https://componentsearchengine.com/symbol.php?partID=1912205
PCB Footprint:https://componentsearchengine.com/footprint.php?partID=19122053D View:https://componentsearchengine.com/viewer/3D.php?partID=1912205
Samacsys PartID:1912205Samacsys Image:https://componentsearchengine.com/Images/9/841N254BKILFT.jpg
Samacsys Thumbnail Image:https://componentsearchengine.com/Thumbnails/2/841N254BKILFT.jpgSamacsys Pin Count:33
Samacsys Part Category:Integrated CircuitSamacsys Package Category:Quad Flat No-Lead
Samacsys Footprint Name:NLG32P1Samacsys Released Date:2020-01-19 15:35:53
Is Samacsys:N其他特性:ALSO OPERATES AT 3.3 V SUPPLY
JESD-30 代码:S-XQCC-N32JESD-609代码:e3
长度:5 mm湿度敏感等级:3
端子数量:32最高工作温度:85 °C
最低工作温度:-40 °C最大输出时钟频率:250 MHz
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260主时钟/晶体标称频率:25 MHz
座面最大高度:1 mm最大供电电压:2.625 V
最小供电电压:2.375 V标称供电电压:2.5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:5 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

841N254AKIT 数据手册

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ICS841N254I Data Sheet  
FEMTOCLOCK® NG CRYSTAL-TO-LVDS/HCSL CLOCK SYNTHESIZER  
Function Tables  
Table 3A. Output Divider and Output Frequency  
Inputs  
F_SEL1  
F_SEL0  
Operation  
fOUT with fREF = 25MHz  
0 (default)  
0 (default)  
fOUT = fREF * 25 ÷ 4  
156.25MHz  
125MHz  
100MHz  
250MHz  
0
1
1
1
0
1
f
f
OUT = fREF * 5  
OUT = fREF * 4  
fOUT = fREF * 10  
NOTE: F_SEL[1:0] are asynchronous controls.  
Table 3B. PLL Reference Clock Select Function Table  
Input  
REF_SEL  
0 (default)  
1
Operation  
The crystal interface is selected as reference clock  
The REF_CLK input is selected as reference clock  
NOTE: REF_SEL is an asynchronous control.  
Table 3C. PLL BYPASS Function Table  
Input  
BYPASS  
Operation  
PLL is enabled. The reference frequency fREF is multiplied by the PLL  
feedback divider of 25 and then divided by the selected output divider N.  
0 (default)  
PLL is bypassed. The reference frequency fREF is divided by the selected  
output divider N. AC specifications do not apply in PLL bypass mode.  
1
NOTE: BYPASS is an asynchronous control.  
Table 3D. nOEA Output Enable Function Table  
Input  
nOEA  
0 (default)  
1
Operation  
QA0, nQA0 and QA1, nQA1 outputs are enabled  
QA0, nQA0 and QA1, nQA1 outputs are disabled (high-impedance)  
NOTE: nOEA is an asynchronous control.  
Table 3E. nOEB Output Enable Function Table  
Input  
nOEB  
0 (default)  
1
Operation  
QB0, nQB0 and QB1, nQB1 outputs are enabled  
QB0, nQB0 and QB1, nQB1 outputs are disabled (high-impedance)  
NOTE: nOEB is an asynchronous control.  
ICS841N254AKI REVISION A APRIL 18, 2011  
3
©2011 Integrated Device Technology, Inc.  

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