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844021BG-01LF PDF预览

844021BG-01LF

更新时间: 2024-02-01 00:47:41
品牌 Logo 应用领域
艾迪悌 - IDT 晶体时钟发生器微控制器和处理器外围集成电路光电二极管
页数 文件大小 规格书
13页 265K
描述
FEMTOCLOCKS⑩ CRYSTAL-TO-LVDS CLOCK GENERATOR

844021BG-01LF 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:5.38
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: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):240
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: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

844021BG-01LF 数据手册

 浏览型号844021BG-01LF的Datasheet PDF文件第2页浏览型号844021BG-01LF的Datasheet PDF文件第3页浏览型号844021BG-01LF的Datasheet PDF文件第4页浏览型号844021BG-01LF的Datasheet PDF文件第5页浏览型号844021BG-01LF的Datasheet PDF文件第6页浏览型号844021BG-01LF的Datasheet PDF文件第7页 
PRELIMINARY  
FEMTOCLOCKS™ CRYSTAL-TO-LVDS  
CLOCK GENERATOR  
ICS844021-01  
GENERAL DESCRIPTION  
FEATURES  
One Differential LVDS output  
The ICS844021-01 is an Ethernet Clock Generator  
ICS  
HiPerClockS™  
and a member of the HiPerClocksTM family of high  
performance devices from IDT. The ICS844021-01  
uses an 18pF parallel resonant crystal over the  
range of 24.5MHz – 34MHz. For Ethernet appli-  
Crystal oscillator interface, 18pF parallel resonant crystal  
(24.5MHz – 34MHz)  
Output frequency range: 122.5MHz – 170MHz  
VCO range: 490MHz – 680MHz  
cations, a 25MHz crystal is used. The ICS844021-01 has  
excellent <1ps phase jitter performance, over the 1.875MHz –  
20MHz integration range. The ICS844021-01 is packaged in a  
small 8-pin TSSOP, making it ideal for use in systems with  
limited board space.  
RMS phase jitter @ 125MHz, using a 25MHz crystal  
(1.875MHz – 20MHz): 0.32ps (typical) @ 3.3V  
3.3V or 2.5V operating supply  
0°C to 70°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  
ICS844021-01  
XTAL_OUT  
8-Lead TSSOP  
4.40mm x 3.0mm x 0.925mm  
package body  
M = ÷20 (fixed)  
G Package  
Top View  
The Preliminary Information presented herein represents a product in pre-production.The noted characteristics are based on initial product characterization  
and/or qualification.Integrated DeviceTechnology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.  
IDT/ ICSLVDS CLOCK GENERATOR  
1
ICS844021BG-01 REV. C SEPTEMBER 27, 2007  

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