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840N011BGILFT PDF预览

840N011BGILFT

更新时间: 2024-11-03 01:21:31
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
12页 465K
描述
FemtoClock NG Crystal-to-LVCMOS/ LVTTL Clock Synthesizer

840N011BGILFT 数据手册

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FemtoClock® NG Crystal-to-LVCMOS/  
LVTTL Clock Synthesizer  
ICS840N011I  
DATASHEET  
General Description  
Features  
The ICS840N011I is an LVCMOS/LVTTL clock synthesizer designed  
for Fibre Channel applications. The device generates a 106.25MHz  
clock signal from a 26.5625MHz crystal or a 100MHz clock signal  
from a 25MHz crystal with excellent phase jitter performance. The  
device uses IDT’s fourth generation FemtoClock® NG technology for  
an optimum of high clock frequency, low phase noise performance  
and low power consumption and high power supply noise  
rejection.The device supports 2.5V or 3.3V voltage supply and is  
packaged in a small, lead-free (RoHS 6) 8-lead TSSOP package.  
The extended temperature range supports wireless infrastructure,  
telecommunication and networking end equipment requirements.  
Fourth generation FemtoClock® NG technology  
106.25MHz output clock synthesized from a 26.5625MHz  
fundamental mode crystal  
One 2.5V or 3.3V LVCMOS/LVTTL clock output  
Crystal interface designed for a 12pF parallel resonant crystal  
RMS phase jitter @ 100MHz, using a 25MHz crystal  
(637kHz - 10MHz): 0.185ps (maximum)  
LVCMOS/LVTTL interface level for the output enable input  
Full 2.5V or 3.3V supply voltage  
Lead-free (RoHS 6) packaging  
-40°C to 85°C ambient operating temperature  
Frequency Table  
fXTAL (MHz)  
25  
Output Frequency (MHz)  
100  
106.25  
122.88  
125  
26.5625  
30.72  
31.25  
Function Table  
Input  
OE  
Output Enable  
Output Q is disabled in high-impedance state  
Output Q is enabled.  
0
1 (default)  
NOTE: OE is an asynchronous control.  
Block Diagram  
Pin Assignment  
VDDA  
OE  
XTAL_OUT  
XTAL_IN  
1
2
3
4
8
7
6
5
VDD  
Q
GND  
DNU  
XTAL_IN  
PFD  
FemtoClock® NG  
VCO  
588-765MHz  
OSC  
&
Q
÷6  
LPF  
XTAL_OUT  
ICS840N011I  
8-lead TSSOP  
4.40mm x 3.0mm x 0.925mm  
package body  
÷24  
Pullup  
OE  
G Package  
Top View  
ICS840N011BGI REVISION A AUGUST 16, 2013  
1
©2013 Integrated Device Technology, Inc.  

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