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844002AGI-01 PDF预览

844002AGI-01

更新时间: 2024-02-28 10:14:11
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
14页 743K
描述
FEMTOCLOCKS CRYSTAL-TOLVDS FREQUENCY SYNTHESIZER

844002AGI-01 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Transferred零件包装代码:TSSOP
包装说明:TSSOP, TSSOP20,.25针数:20
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.27
其他特性:ALSO OPERATES AT 3.3V SUPPLYJESD-30 代码:R-PDSO-G20
JESD-609代码:e0长度:6.5 mm
湿度敏感等级:1端子数量:20
最高工作温度:85 °C最低工作温度:-40 °C
最大输出时钟频率:170 MHz封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP20,.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):225电源:2.5 V
主时钟/晶体标称频率:27.2 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:98 mA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:Tin/Lead (Sn85Pb15)
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:30
宽度:4.4 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER

844002AGI-01 数据手册

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FEMTOCLOCKS– CRYSTAL-TO-  
LVDS FREQUENCY SYNTHESIZER  
ICS844002I-01  
General Description  
Features  
The ICS844002I-01 is a 2 output LVDS Synthesizer  
Two differential LVDS outputs  
S
IC  
optimized to generate Ethernet reference clock  
frequencies and is a member of the HiPerClocksTM  
family of high performance clock solutions from IDT.  
Using a 25MHz, 18pF parallel resonant crystal, the  
Selectable crystal oscillator interface or  
HiPerClockS™  
single-ended LVCMOS/LVTTL input  
Supports the following output frequencies: 156.25MHz,  
125MHz, 62.5MHz  
following frequencies can be generated based on the 2 frequency  
select pins (F_SEL[1:0]): 156.25MHz, 125MHz and 62.5MHz. The  
ICS844002I-01 uses IDT’s 3rd generation low phase noise VCO  
technology and can achieve <1ps typical rms phase jitter, easily  
meeting Ethernet jitter requirements. The ICS844002I-01 is  
packaged in a small 20-pin TSSOP package.  
VCO range: 560MHz – 680MHz  
RMS phase jitter @ 156.25MHz, using a 25MHz crystal  
(1.875MHz – 20MHz): 0.41ps (typical)  
Full 2.5V supply mode  
-40°C to 85°C ambient operating temperature  
Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
Block Diagram  
Pin Assignment  
Pulldown  
2
nc  
VDDO  
Q0  
Q0  
MR  
VDDO  
Q1  
1
2
20  
19  
F_SEL[1:0]  
PLL_SEL  
Pulldown  
3
4
18 Q1  
17 GND  
Q0  
Q0  
F_SEL[1:0]  
0 0 ÷4  
5
6
7
16 nc  
Pulldown  
25MHz  
REF_CLK  
XTAL_IN  
1
0
PLL_SEL  
nc  
15  
14  
XTAL_SEL  
REF_CLK  
1
0
0 1 ÷5  
1 0 ÷10  
1 1 not used  
VDDA  
8
13 XTAL_IN  
VCO  
625MHz  
(w/25MHz  
Reference)  
Phase  
Detector  
Q1  
Q1  
F_SEL0  
VDD  
9
10  
12 XTAL_OUT  
OSC  
11  
F_SEL1  
XTAL_OUT  
XTAL_SEL  
ICS844002I-01  
20-Lead TSSOP  
6.5mm x 4.4mm x 0.925mm  
package body  
Pulldown  
Pulldown  
M = 25 (fixed)  
G Package  
Top View  
MR  
IDT™ / ICS™ LVDS FREQUENCY SYNTHESIZER  
1
ICS844002AGI-01 REV. C SEPTEMBER 28, 2007  

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