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ICS844021BG-01LFT PDF预览

ICS844021BG-01LFT

更新时间: 2024-09-13 14:51:19
品牌 Logo 应用领域
艾迪悌 - IDT 光电二极管
页数 文件大小 规格书
14页 301K
描述
Clock Generator, PDSO8

ICS844021BG-01LFT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete包装说明:TSSOP, TSSOP8,.25
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.83
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
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:
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认证状态:Not Qualified
子类别:Clock Generators最大压摆率:75 mA
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn) - annealed
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
Base Number Matches:1

ICS844021BG-01LFT 数据手册

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FEMTOCLOCKS™ CRYSTAL-TO-LVDS  
CLOCK GENERATOR  
ICS844021-01  
GENERAL DESCRIPTION  
FEATURES  
One Differential LVDS output  
The ICS844021-01 is an Ethernet Clock Generator. The  
ICS844021-01 uses an 18pF parallel resonant crystal over the  
range of 24.5MHz – 34MHz. For Ethernet applications, 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.  
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  
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  
IDT/ ICSLVDS CLOCK GENERATOR  
1
ICS844021BG-01 REV. A OCTOBER 23, 2012  

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