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841N254AKIT PDF预览

841N254AKIT

更新时间: 2024-02-01 22:15:09
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  
Table 1. Pin Descriptions  
Number  
1, 8, 13, 32  
2, 4  
Name  
VDD  
nc  
Type  
Description  
Power  
Unused  
Power  
Core supply pins.  
No connect.  
3
VDDA  
Analog power supply.  
5, 17,  
23, 25, 31  
GND  
Power  
Power supply ground.  
6
7
9
REF_CLK  
nOEA  
Input  
Input  
Input  
Pulldown  
Alternative single-ended reference clock input. LVCMOS/LVTTL interface levels.  
Output enable input. See Table 3D for function. LVCMOS/LVTTL interface levels.  
Output enable input. See Table 3E for function. LVCMOS/LVTTL interface levels.  
Pulldown  
Pulldown  
nOEB  
Reference select input. See Table 3B for function.  
LVCMOS/LVTTL interface levels.  
10  
REF_SEL  
Input  
Input  
Input  
Input  
Pulldown  
11,  
12  
XTAL_IN,  
XTAL_OUT  
Crystal oscillator interface. XTAL_IN is the input, XTAL_OUT is the output.  
Bypass mode select pin. See Table 3C for function.  
LVCMOS/LVTTL interface levels.  
14  
BYPASS  
Pulldown  
Pulldown  
15,  
16  
F_SEL0,  
F_SEL1  
Frequency select pin. See Table 3A for function. LVCMOS/LVTTL interface levels.  
18, 19  
20  
QA1, nQA1  
VDDOA  
Output  
Power  
Output  
Differential clock output. LVDS interface levels.  
Output supply pin for QAx outputs.  
21, 22  
QA0, nQA0  
Differential clock output. LVDS interface levels.  
External fixed precision resistor (475) from this pin to ground provides a reference  
current used for differential current-mode QBx, nQBx clock outputs.  
24  
IREF  
Input  
26, 27  
28  
nQB1, QB1  
VDDOB  
Output  
Power  
Output  
Differential clock output. HCSL interface levels.  
Output supply pin for QBx outputs.  
29, 30  
nQB0, QB0  
Differential clock output. HCSL interface levels.  
NOTE: Pulldown refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.  
Table 2. Pin Characteristics  
Symbol  
Parameter  
Test Conditions  
Minimum  
Typical  
Maximum  
Units  
pF  
CIN  
Input Capacitance  
4
RPULLDOWN Input Pulldown Resistor  
51  
kΩ  
ICS841N254AKI REVISION A APRIL 18, 2011  
2
©2011 Integrated Device Technology, Inc.  

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