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843251AG-04 PDF预览

843251AG-04

更新时间: 2024-11-03 14:47:15
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
14页 812K
描述
Clock Generator, 187.5MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8

843251AG-04 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP, TSSOP8,.25针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.87
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.4 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:187.5 MHz
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):240
电源:3.3 V主时钟/晶体标称频率:30 MHz
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Clock Generators最大压摆率:70 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:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:3 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

843251AG-04 数据手册

 浏览型号843251AG-04的Datasheet PDF文件第2页浏览型号843251AG-04的Datasheet PDF文件第3页浏览型号843251AG-04的Datasheet PDF文件第4页浏览型号843251AG-04的Datasheet PDF文件第5页浏览型号843251AG-04的Datasheet PDF文件第6页浏览型号843251AG-04的Datasheet PDF文件第7页 
FEMTOCLOCK™ CRYSTAL-TO-  
ICS843251-04  
3.3V LVPECL CLOCK GENERATOR  
General Description  
Features  
The ICS843251-04 is a 10Gb/12Gb Ethernet Clock  
One differential 3.3V LVPECL output  
Generator and a member of the HiPerClocksTM  
family of high performance devices from IDT. The  
ICS843251-04 can synthesize 10 Gigabit Ethernet  
and 12 Gigabit Ethernet with a 25MHz crystal. It can  
S
IC  
Crystal oscillator interface designed for  
HiPerClockS™  
18pF parallel resonant crystal  
Crystal input frequency range: 19.33MHz – 30MHz  
Output frequency range: 145MHz – 187.5MHz  
VCO range: 580MHz – 750MHz  
also generate SATA and 10Gb Fibre Channel reference clock  
frequencies with the appropriate choice of crystals. The  
ICS843251-04 has excellent phase jitter performance and is  
packaged in a small 8-pin TSSOP, making it ideal for use in  
systems with limited board space.  
RMS phase jitter @ 156.25MHz, (1.875MHz – 20MHz):  
0.39ps (typical)  
Full 3.3V supply mode  
0°C to 70°C ambient operating temperature  
Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
Configuration Table with 25MHz Crystal  
Inputs  
Output  
Crystal Frequency  
(MHz))  
Feedback Divide  
VCO Freq.(MHz) N Output Divide  
Frequency  
(MHz)  
Application  
25  
25  
30  
25  
750  
625  
4
4
187.5  
12 Gigabit Ethernet  
10 Gigabit Ethernet  
156.25  
Configuration Table with Selectable Crystals  
Inputs  
Output  
Frequency  
(MHz)  
Crystal Frequency  
(MHz))  
Feedback Divide  
VCO Freq.(MHz) N Output Divide  
Application  
20  
21.25  
24  
30  
30  
25  
25  
25  
600  
637.5  
600  
4
4
4
4
4
150  
159.375  
150  
SATA  
10 Gigabit Fibre Channel  
SATA  
25.5  
30  
637.5  
750  
159.375  
187.5  
10 Gigabit Fibre Channel  
12 Gigabit Fibre Channel  
Pin Assignment  
Block Diagram  
XTAL_IN  
VCC  
VCCA  
1
2
3
4
8
7
6
5
DIV. N  
÷4  
nQ  
Q
Phase  
Detector  
VCO  
OSC  
Q
VEE  
580MHz-750MHz  
XTAL_OUT  
nQ  
XTAL_OUT  
XTAL_IN  
FREQ_SEL  
0 = ÷25 (default)  
1 = ÷30  
ICS843251-04  
8 Lead TSSOP  
4.40mm x 3.0mm x 0.925mm  
FREQ_SEL  
package body  
G Package  
Top View  
IDT™ / ICS™ 3.3V LVPECL CLOCK GENERATOR  
1
ICS843S51AG-04 REV. A JANUARY 12, 2009  

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