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844003AKI-02LFT PDF预览

844003AKI-02LFT

更新时间: 2024-11-04 14:40:23
品牌 Logo 应用领域
艾迪悌 - IDT 时钟外围集成电路晶体
页数 文件大小 规格书
19页 872K
描述
Clock Generator, 700MHz, 5 X 5 MM, 0.75 MM HEIGHT, MO-220, ROHS COMPLIANT, VFQFN-32

844003AKI-02LFT 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:QFN
包装说明:5 X 5 MM, 0.75 MM HEIGHT, MO-220, ROHS COMPLIANT, VFQFN-32针数:32
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.32
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:700 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
认证状态:Not Qualified座面最大高度:1 mm
最大供电电压:3.63 V最小供电电压:2.97 V
标称供电电压:3.3 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn) - annealed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:30宽度:5 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

844003AKI-02LFT 数据手册

 浏览型号844003AKI-02LFT的Datasheet PDF文件第2页浏览型号844003AKI-02LFT的Datasheet PDF文件第3页浏览型号844003AKI-02LFT的Datasheet PDF文件第4页浏览型号844003AKI-02LFT的Datasheet PDF文件第5页浏览型号844003AKI-02LFT的Datasheet PDF文件第6页浏览型号844003AKI-02LFT的Datasheet PDF文件第7页 
FemtoClock® Crystal-to-LVDS  
Frequency Synthesizer  
ICS844003I-02  
DATA SHEET  
General Description  
Features  
The ICS844003I-02 is a three differential output LVDS Synthesizer  
designed to generate Ethernet and PCI Express™ reference clock  
frequencies. Using a 31.25MHz, 26.041666MHz, or 25MHz, parallel  
resonant crystal, the following frequencies can be generated based  
on the settings of four frequency select pins (DIV_SELA[1:0],  
DIV_SELB[1:0]): 625MHz, 500MHz, 312.5MHz, 250MHz,  
156.25MHz, 125MHz, and 100MHz. The 844003I-02 has two output  
banks, Bank A with one differential LVDS output pair and Bank B with  
two differential LVDS output pairs.  
Three LVDS outputs on two banks, Bank A with one LVDS pair  
and Bank B with two LVDS output pairs  
Using a 31.25MHz, 26.041666, or 25MHz crystal, the two output  
banks can be independently set for 625MHz, 500MHz 312.5MHz,  
250MHz, 156.25MHz, 125MHz or 100MHz  
Selectable crystal oscillator interface or LVCMOS/LVTTL  
single-ended input  
VCO range: 490MHz to 680MHz  
RMS phase jitter at 125MHz (1.875MHz – 20MHz):  
0.50ps (typical)  
The two banks have their own dedicated frequency select pins and  
can be independently set for the frequencies mentioned above. The  
ICS844003I-02 uses IDT’s 3RD generation low phase noise VCO  
technology and can achieve 1ps or lower typical rms phase jitter,  
easily meeting Ethernet jitter requirements. The ICS844003I-02 is  
packaged in a 32-pin VFQFN package.  
Full 3.3V supply mode  
-40°C to 85°C ambient operating temperature  
Available in lead-free (RoHS 6) package  
Pin Assignment  
32 31 30 29 28 27 26 25  
1
2
3
4
5
6
7
8
GND  
QA0  
24  
23  
22  
21  
20  
XTAL_IN  
nQA0  
GND  
QB0  
ICS844003I-02  
32 Lead VFQFN  
5mm x 5mm x 0.925mm  
package body  
K Package  
XTAL_OUT  
XTAL_SEL  
VCO_SEL  
nQB0  
MR  
GND  
nc  
QB1  
19  
18  
17  
Top View  
nQB1  
VDDO_B  
9
10 11 12 13 14 15 16  
Block Diagram  
Pullup  
OEA  
Pulldown, Pullup  
DIV_SELA[1:0]  
Pullup  
VCO_SEL  
QA0  
0 0 ÷1  
nQA0  
Pulldown  
0 1 ÷2 (default)  
1 0 ÷4  
REF_CLK  
XTAL_IN  
0
1
0
1
1 1 ÷5  
Phase  
Detector  
VCO  
490-680MHz  
OSC  
XTAL_OUT  
XTAL_SEL  
Pullup  
QB0  
FB_DIV  
0 0 ÷1  
nQB0  
0 1 ÷2 (default)  
1 0 ÷4  
0 = ÷20 (default)  
1 = ÷24  
QB1  
1 1 ÷5  
Pulldown  
nQB1  
FB_DIV  
DIV_SELB[1:0]  
MR  
Pulldown, Pullup  
Pulldown  
Pullup  
OEB  
ICS844003AKI-02 REVISION A FEBRUARY 24, 2011  
1
©2011 Integrated Device Technology, Inc.  

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