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ICS4320A01L PDF预览

ICS4320A01L

更新时间: 2024-11-14 04:22:55
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
21页 343K
描述
780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER

ICS4320A01L 数据手册

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ICS84320-01  
780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL  
LVPECL FREQUENCY SYNTHESIZER  
GENERAL DESCRIPTION  
FEATURES  
The ICS84320-01 is a general purpose, dual out- Dual differential 3.3V LVPECL outputs  
ICS  
HiPerClockS™  
put Crystal-to-3.3V Differential LVPECL High Fre-  
quency Synthesizer and a member of the  
HiPerClockS™ family of High Performance Clock  
Solutions from IDT. The ICS84320-01 has a se-  
Selectable crystal oscillator interface  
or LVCMOS/LVTTL TEST_CLK  
Output frequency range: 77.5MHz to 780MHz  
Crystal input frequency range: 14MHz to 40MHz  
VCO range: 620MHz to 780MHz  
lectable TEST_CLK or crystal inputs. The VCO operates at a  
frequency range of 620MHz to 780MHz. The VCO frequency  
is programmed in steps equal to the value of the input refer-  
ence or crystal frequency. The VCO and output frequency  
can be programmed using the serial or parallel interfaces to  
the configuration logic. The low phase noise characteristics  
of the ICS84320-01 make it an ideal clock source for 10 Gigabit  
Ethernet, SONET, and Serial Attached SCSI applications.  
Parallel or serial interface for programming counter  
and output dividers  
Duty cycle: 49% - 51% (N > 1)  
RMS period jitter: 2ps (typical)  
RMS phase jitter at 155.52MHz, using a 38.88MHz crystal  
(12kHz to 20MHz): 2.5ps (typical)  
Offset  
Noise Power  
100Hz ................. -90.5 dBc/Hz  
1kHz ............... -114.2 dBc/Hz  
10kHz ............... -123.6 dBc/Hz  
100kHz ............... -128.1 dBc/Hz  
3.3V supply voltage  
0°C to 70°C ambient operating temperature  
Available in both standard (RoHS 5) and lead-free RoHS (6)  
packages  
BLOCK DIAGRAM  
VCO_SEL  
PIN ASSIGNMENT  
XTAL_SEL  
32 31 30 29 28 27 26 25  
TEST_CLK  
0
M5  
M6  
M7  
M8  
N0  
N1  
nc  
1
2
3
4
5
6
7
8
24  
23  
22  
21  
20  
19  
18  
17  
XTAL2  
XTAL1  
TEST_CLK  
XTAL_SEL  
VCCA  
1
OSC  
XTAL2  
ICS84320-01  
10 11 12 13 14 15 16  
32-Lead LQFP  
S_LOAD  
S_DATA  
S_CLOCK  
MR  
PLL  
÷ N  
PHASE DETECTOR  
VEE  
÷ 1  
÷ 2  
÷ 4  
÷ 8  
9
MR  
0
1
VCO  
FOUT0  
nFOUT0  
FOUT1  
nFOUT1  
÷ M  
S_LOAD  
S_DATA  
S_CLOCK  
nP_LOAD  
CONFIGURATION  
INTERFACE  
LOGIC  
TEST  
7mm x 7mm x 1.4mm package body  
Y Package  
TopView  
M0:M8  
N0:N1  
32-LeadVFQFN  
5mm x 5mm x 0.925 package body  
K Package  
Top View  
84320AY-01  
1
REV. C OCTOBER 22, 2007  

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