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840245AGIT PDF预览

840245AGIT

更新时间: 2024-11-09 21:11:27
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 650K
描述
Clock Generator, 75MHz, PDSO16, 4.40 X 5 MM, 0.92 MM HEIGHT, MO-153, TSSOP-16

840245AGIT 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:TSSOP包装说明:4.40 X 5 MM, 0.92 MM HEIGHT, MO-153, TSSOP-16
针数:16Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.35其他特性:ALSO OPERATES AT 3.3V SUPPLY
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:5 mm湿度敏感等级:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C最大输出时钟频率:75 MHz
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP16,.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:25 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:35 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:Tin/Lead (Sn85Pb15)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:4.4 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

840245AGIT 数据手册

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FEMTOCLOCKS™ 1:5, CRYSTAL-TO-  
LVCMOS/LVTTL FREQUENCY SYNTHESIZER  
ICS840245I  
GENERAL DESCRIPTION  
FEATURES  
• Five LVCMOS outputs, 15typical output impedance  
The ICS840245I is a low skew, 1-to-5 LVCMOS/  
ICS  
LVTTL SATA/SAS Clock Generator and is a mem-  
ber of the HiPerClocksTM family of high performance  
clock solutions from IDT. The ICS840245I can syn-  
thesize 75MHz reference clock frequencies with a  
• Crystal oscillator interface  
HiPerClockS™  
• Supports the following output frequency: 75MHz  
• Output skew: 25ps (typical)  
25MHz crystal. Each of the 5 outputs on the ICS840245I can  
drive two series terminated 50transmission lines, effectively  
making the ICS840245I a 1-to-10 clock generator. An output  
enable (OE) pin, which controls only the Q4 output, allows the  
application to use Q4 as an optional output (for example, test  
output pin). The ICS840245I uses IDT’s 3rd generation low phase  
noise VCO technology and can achieve 1ps or lower typical  
random rms phase jitter. The ICS840245I is packaged in a  
16-pin TSSOP package.  
• RMS phase jitter @ 75MHz (900kHz - 7.5MHz):  
0.454ps (typical)  
• Output supply modes:  
Core/Output  
3.3V/3.3V  
3.3V/2.5V  
2.5V/2.5V  
• -40°C to 85°C ambient operating temperature  
• Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
Q0  
1
2
3
4
5
6
7
8
Pullup  
XTAL_OUT  
XTAL_IN  
VDDA  
OE  
VDD  
GND  
PLL_SEL  
GND  
16  
15  
14  
13  
12  
11  
10  
9
VDDO  
Q0  
Q1  
GND  
Q2  
Q3  
PLL_SEL  
Q1  
Q2  
0
25MHz  
XTAL_IN  
Phase  
Detector  
VCO  
600MHz  
OSC  
1
N = 8  
Q3  
Q4  
VDDO  
Q4  
XTAL_OUT  
M = 24  
(fixed)  
ICS840245I  
16-Lead TSSOP  
4.4mm x 5.0mm x 0.92mm  
package body  
Pullup  
OE  
G Package  
Top View  
IDT/ ICSLVCMOS/LVTTL FREQUENCY SYNTHESIZER  
1
ICS840245AGI REV. B NOVEMBER 16, 2006  

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