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844021BGI-01 PDF预览

844021BGI-01

更新时间: 2024-02-07 09:21:50
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 302K
描述
Clock Generator, 170MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8

844021BGI-01 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:TSSOP
包装说明:TSSOP-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.8
其他特性:ALSO OPERATES AT 3.3V SUPPLYJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.4 mm
湿度敏感等级:1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:170 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):260电源:2.5/3.3 V
主时钟/晶体标称频率:34 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:75 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:Matte Tin (Sn) - annealed
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:NOT SPECIFIED
宽度:3 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

844021BGI-01 数据手册

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FEMTOCLOCKS™ CRYSTAL-TO-LVDS  
CLOCK GENERATOR  
ICS844021I-01  
GENERAL DESCRIPTION  
FEATURES  
One Differential LVDS output  
The ICS844021I-01 is an Ethernet Clock Generator. The  
ICS844021I-01 uses an 18pF parallel resonant crystal over the  
range of 24.5MHz – 34MHz. For Ethernet appli-cations, a 25MHz  
crystal is used. The ICS844021I-01 has excellent <1ps phase  
jitter performance, over the 1.875MHz – 20MHz integration  
range. The ICS844021I-01 is packaged in a small 8-pin TSSOP,  
making it ideal for use in systems with limited board space.  
Crystal oscillator interface, 18pF parallel resonant crystal  
(24.5MHz 34MHz)  
Output frequency range: 122.5MHz 170MHz  
VCO range: 490MHz 680MHz  
RMS phase jitter @ 125MHz, using a 25MHz crystal  
(1.875MHz 20MHz): 0.32ps (typical) @ 3.3V  
3.3V or 2.5V operating supply  
-40°C to 85°C ambient operating temperature  
Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
COMMON CONFIGURATION TABLE - Gb ETHERNET  
Inputs  
Output Frequency  
(MHz)  
Multiplication  
Value M/N  
Crystal Frequency (MHz)  
M
N
25  
20  
20  
20  
4
4
4
5
5
5
125  
26.666  
33.33  
133.33  
166.66  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
Pullup  
OE  
VDDA  
GND  
VDD  
Q
1
2
3
4
8
7
6
5
XTAL_OUT  
XTAL_IN  
nQ  
OE  
XTAL_IN  
OSC  
Q
nQ  
VCO  
Phase  
Detector  
N = ÷4 (fixed)  
490MHz - 680MHz  
ICS844021I-01  
XTAL_OUT  
8-Lead TSSOP  
4.40mm x 3.0mm x 0.925mm  
package body  
M = ÷20 (fixed)  
G Package  
Top View  
IDT/ ICSLVDS CLOCK GENERATOR  
1
ICS844021BGI-01 REV. A NOVEMBER 6, 2012  

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