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ICS844256AMLFT PDF预览

ICS844256AMLFT

更新时间: 2024-09-16 20:29:03
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
13页 205K
描述
Clock Generator, 622.08MHz, PDSO24, 7.50 X 15.33 MM, 2.30 MM HEIGHT, ROHS COMPLIANT, MS-013, MO-119, SOIC-24

ICS844256AMLFT 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,针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
Is Samacsys:NJESD-30 代码:R-PDSO-G24
JESD-609代码:e3长度:15.525 mm
端子数量:24最高工作温度:70 °C
最低工作温度:最大输出时钟频率:622.08 MHz
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260主时钟/晶体标称频率:25.5 MHz
认证状态:Not Qualified座面最大高度:2.65 mm
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)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:30宽度:7.5 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

ICS844256AMLFT 数据手册

 浏览型号ICS844256AMLFT的Datasheet PDF文件第2页浏览型号ICS844256AMLFT的Datasheet PDF文件第3页浏览型号ICS844256AMLFT的Datasheet PDF文件第4页浏览型号ICS844256AMLFT的Datasheet PDF文件第5页浏览型号ICS844256AMLFT的Datasheet PDF文件第6页浏览型号ICS844256AMLFT的Datasheet PDF文件第7页 
PRELIMINARY  
ICS844256  
Integrated  
Circuit  
Systems, Inc.  
FEMTOCLOCKS™ C RYSTAL-TO-LVDS  
FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER  
GENERAL DESCRIPTION  
FEATURES  
The ICS844256 is a Crystal-to-LVDS Clock Six LVDS outputs  
ICS  
HiPerClockS™  
Synthesizer/Fanout Buffer designed for SONET  
Crystal oscillator interface  
and Gigabit Ethernet applications and is a  
member of the HiperClockS™ family of High  
Performance Clock Solutions from ICS. The  
Output frequency range: 62.5MHz to 622.08MHz  
Crystal input frequency range: 15.625MHz to 25.5MHz  
output frequency can be set using the frequency select  
pins and a 25MHz crystal for Ethernet frequencies, or a  
19.44MHz crystal for SONET. The low phase noise charac-  
teristics of the ICS844256 make it an ideal clock for these  
demanding applications.  
RMS phase jitter at 125MHz, using a 25MHz crystal  
(1.875MHz to 20MHz): 0.48ps (typical)  
Full 3.3V or 3.3V core, 2.5V output supply mode  
0°C to 70°C ambient operating temperature  
Industrial temperature information available upon request  
Available in both standard and lead-free RoHS-compliant  
packages  
SELECT FUNCTION TABLE  
Inputs  
Function  
FB_SEL N_SEL1 N_SEL0 M Divide N Divide  
M/N  
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
25  
25  
25  
25  
32  
32  
32  
32  
1
2
4
5
1
2
4
8
25  
12.5  
6.25  
5
32  
16  
8
4
BLOCK DIAGRAM  
PIN ASSIGNMENT  
VDDO  
VDDO  
1
24  
23  
22  
Q3  
Q0  
nQ3  
Q4  
nQ4  
Q5  
nQ5  
N_SEL1  
GND  
2
3
4
nQ2  
Q2  
nQ1  
Q1  
nQ0  
Q0  
nQ0  
21  
20  
19  
18  
17  
Pullup  
PLL_BYPASS  
5
6
7
8
Q1  
1
0
nQ1  
Output  
Divider  
PLL_BYPASS  
VDDA  
GND  
9
16  
15  
14  
13  
XTAL_IN  
OSC  
PLL  
Q2  
10  
11  
12  
N_SEL0  
XTAL_OUT  
XTAL_IN  
VDD  
FB_SEL  
XTAL_OUT  
nQ2  
ICS844256  
24-Lead, 300-MIL SOIC  
7.5mm x 15.33mm x 2.3mm  
body package  
Q3  
Feedback  
Divider  
nQ3  
M Package  
TopView  
Pulldown  
Pullup  
Q4  
FB_SEL  
N_SEL1  
nQ4  
24-LeadTSSOP  
4.40mm x 7.8mm x 0.92mm  
body package  
Pullup  
N_SEL0  
Q5  
G Package  
TopView  
nQ5  
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on  
initial product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications  
without notice.  
844256AM  
www.icst.com/products/hiperclocks.html  
REV.A NOVEMBER 29, 2005  
1

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