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841654AGI PDF预览

841654AGI

更新时间: 2024-01-01 10:39:54
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
17页 333K
描述
Clock Generator, 125MHz, PDSO28, 6.10 X 9.70 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24

841654AGI 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP, TSSOP28,.3针数:28
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.25
JESD-30 代码:R-PDSO-G28JESD-609代码:e0
长度:9.7 mm端子数量:28
最高工作温度:85 °C最低工作温度:-40 °C
最大输出时钟频率:125 MHz封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP28,.3
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: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:85 mA最大供电电压:3.465 V
最小供电电压:3.135 V标称供电电压:3.3 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:6.1 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

841654AGI 数据手册

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FEMTOCLOCKS™ CRYSTAL-TO-HCSL  
CLOCK GENERATOR  
ICS841654I  
GENERAL DESCRIPTION  
FEATURES  
The ICS841654I is an optimized PCIe and sRIO clock  
• Four differential HCSL clock outputs: configurable for PCIe  
(100MHz) and sRIO (100MHz or 125MHz) clock signals  
One REF_OUT LVCMOS/LVTTL clock output  
ICS  
HiPerClockS™  
generator and member of the HiPerClocksfamily  
of high-performance clock solutions from IDT. The  
device uses a 25MHz parallel crystal to generate  
100MHz and 125MHz clock signals, replacing  
• Selectable crystal oscillator interface, 25MHz, 18pF parallel  
resonant crystal or LVCMOS/LVTTL single-ended reference  
clock input  
solutions requiring multiple oscillator and fanout buffer solutions.  
The device has excellent phase jitter (< 1ps rms) suitable to clock  
components requiring precise and low-jitter PCIe or sRIO or both  
clock signals. Designed for telecom, networking and industrial  
applications, the ICS841654I can also drive the high-speed sRIO  
and PCIe SerDes clock inputs of communication processors,  
DSPs, switches and bridges.  
• Supports the following output frequencies:  
100MHz or 125MHz  
• VCO: 500MHz  
• PLL bypass and output enable  
• RMS phase jitter at 100MHz, using a 25MHz crystal  
(1.875MHz - 20MHz): 0.44ps (typical)  
• Full 3.3V power supply mode  
• -40°C to 85°C ambient operating temperature  
• Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
XTAL_IN  
VDD  
REF_OUT  
GND  
1
2
3
4
IREF  
28  
27  
26  
25  
QA0  
1
0
OSC  
FSEL0  
FSEL1  
QB0  
nQA0  
XTAL_OUT  
REF_IN  
FemtoClock  
QA0  
0
PLL  
÷NA  
Pulldown  
Pulldown  
VCO = 500MHz  
QA1  
nQA0  
VDDOA  
GND  
QA1  
nQA1  
24  
23  
22  
nQB0  
VDDOB  
GND  
QB1  
nQB1  
5
6
7
8
1
nQA1  
REF_SEL  
IREF  
21  
20  
19  
18  
17  
16  
15  
9
M = ÷20  
QB0  
MR/nOE  
VDD  
XTAL_IN  
XTAL_OUT  
GND  
10  
11  
12  
13  
nREF_OE  
BYPASS  
REF_IN  
REF_SEL  
nQB0  
÷NB  
QB1  
Pulldown  
Pulldown  
Pulldown  
BYPASS  
14  
VDDA  
nQB1  
FSEL[0:1]  
ICS841654I  
28-Lead TSSOP  
6.1mm x 9.7mm x 0.925mm  
package body  
MR/nOE  
REF_OUT  
G Package  
Top View  
Pullup  
nREF_OE  
IDT/ ICSHCSL CLOCK GENERATOR  
1
ICS841654AGI REV. A APRIL 17, 2008  

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