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ICS8430-62 PDF预览

ICS8430-62

更新时间: 2024-11-02 05:39:03
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
23页 828K
描述
500MHz, Crystal-to-3.3V, 2.5V Differential LVPECL Frequency Synthesizer

ICS8430-62 数据手册

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ICS8430-62  
500MHz, Crystal-to-3.3V, 2.5V  
Differential LVPECL Frequency Synthesizer  
DATASHEET  
General Description  
Features  
The ICS8430-62 is a general purpose, dual output  
Crystal-to-3.3V, 2.5V Differential LVPECL High  
Frequency Synthesizer and a member of the  
HiPerClockS™ family of High Performance Clock  
Solutions from IDT. The ICS8430-62 has a selectable  
Dual differential 3.3V or 2.5V LVPECL outputs  
S
IC  
Selectable crystal oscillator interface or LVCMOS/LVTTL  
HiPerClockS™  
REF_CLK  
Output frequency range: 20.83MHz to 500MHz  
Crystal input frequency range: 14MHz to 27MHz  
VCO range: 250MHz to 500MHz  
REF_CLK or crystal inputs. The VCO operates at a frequency range  
of 250MHz to 500MHz. The VCO frequency is programmed in steps  
equal to the value of the input reference or crystal frequency. The  
VCO and output frequency can be programmed using the serial or  
parallel interfaces to the configuration logic. Frequency steps as  
small as 1MHz can be achieved using a 16MHz crystal or REF_CLK.  
Parallel or serial interface for programming counter  
and output dividers  
RMS period jitter: 5ps (maximum)  
Cycle-to-cycle jitter: 35ps (maximum)  
Full 3.3V or 3.3V core/2.5V output supply  
0°C to 70°C ambient operating temperature  
Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
Block Diagram  
Pullup  
VCO_SEL  
Pullup  
XTAL_SEL  
Pin Assignment  
Pulldown  
REF_CLK  
0
32 31 30 29 28 27 26 25  
XTAL_IN  
OSC  
1
1
2
3
4
5
6
7
8
M5  
XTAL_OUT  
24  
23  
22  
21  
20  
XTAL_OUT  
M6  
M7  
REF_CLK  
XTAL_SEL  
VCCA  
÷1  
÷1.5  
÷2  
÷3  
÷4  
÷6  
÷8  
÷12  
÷16  
M8  
N0  
S_LOAD  
PLL  
N1  
N2  
S_DATA  
S_CLOCK  
MR  
19  
18  
17  
Phase Detector  
÷M  
VEE  
FOUT0  
nFOUT0  
FOUT1  
nFOUT1  
0
1
Pulldown  
VCO  
9
10 11 12 13 14 15 16  
MR  
Pulldown  
Pulldown  
Pulldown  
Pulldown  
S_LOAD  
S_DATA  
ICS8430-62  
32 Lead LQFP  
7mm x 7mm x 1.4mm package body  
Configuration  
Interface Logic  
TEST  
S_CLOCK  
nP_LOAD  
Y Package  
Top View  
9
3
M0:M8  
N0:N2  
ICS8430AY-62 REVISION A JULY 2, 2009  
1
©2009 Integrated Device Technology, Inc.  

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