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844051CGI PDF预览

844051CGI

更新时间: 2024-11-04 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
12页 379K
描述
Clock Generator, PDSO8

844051CGI 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Obsolete包装说明:TSSOP-8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.91
Is Samacsys:N其他特性:ALSO OPERATES AT 3.3V SUPPLY
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.4 mm端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
最大输出时钟频率:156.25 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):225电源:2.5/3.3 V
主时钟/晶体标称频率:23.4375 MHz认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Clock Generators
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:3 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

844051CGI 数据手册

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DATA SHEET  
FEMTOCLOCKS™ CRYSTAL-TO- LVDS CLOCK  
GENERATOR  
ICS844051I  
GENERAL DESCRIPTION  
FEATURES  
One Differential LVDS output  
The ICS844051I is a Gigabit Ethernet Clock  
ICS  
HiPerClockS™  
Generator and a member of the HiPerClocksTM  
family of high performance devices from ICS.  
The ICS844051I can synthesize 10 Gigabit  
Ethernet, SONET, or Serial ATA reference clock  
Crystal oscillator interface designed for  
18pF parallel resonant crystals (18.125MHz - 23.4375MHz)  
Output frequency range: 145MHz - 187.5MHz and  
72.5MHz - 93.75MHz  
frequencies with the appropriate choice of crystal and output  
divider. The ICS844051I has excellent phase jitter perfor-  
mance and is packaged in a small 8-pin TSSOP, making it  
ideal for use in systems with limited board space.  
VCO range: 580MHz - 750MHz  
RMS phase jitter @156.25MHz (1.875MHz - 20MHz):  
0.45ps (typical)  
3.3V or 2.5V operating supply  
-40°C to 85°C ambient operating temperature  
Available in both standard and lead-free RoHS-compliant  
packages  
FREQUENCY TABLE  
Inputs  
Output Frequency  
(MHz)  
Crystal Frequency (MHz)  
20.141601  
20.141601  
19.53125  
19.53125  
19.44  
FREQ_SEL  
0
1
0
1
0
1
0
1
161.132812  
80.566406  
156.25  
78.125  
155.52  
77.76  
19.44  
18.75  
150  
18.75  
75  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
Pulldown  
FREQ_SEL  
VDDA  
GND  
VDD  
1
2
3
4
8
7
6
5
Q
XTAL_IN  
OSC  
0 ÷4 (default)  
1 ÷8  
Q
Phase  
Detector  
XTAL_OUT  
XTAL_IN  
nQ  
VCO  
nQ  
FREQ_SEL  
XTAL_OUT  
ICS844051I  
8-Lead TSSOP  
4.40mm x 3.0mm x 0.925mm  
package body  
÷32  
(fixed)  
G Package  
TopView  
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.  
IDT™ / ICS™ FEMTOCLOCKS™ CRYSTAL-TO- LVDS CLOCK GENERATOR  
ICS844051I  
1

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