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ICS843207AY-350T PDF预览

ICS843207AY-350T

更新时间： 2024-11-04 07:08:19
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
16页 3411K
描述
Clock Generator, 375MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, LQFP-48

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ICS843207AY-350T 数据手册

 浏览型号ICS843207AY-350T的Datasheet PDF文件第2页浏览型号ICS843207AY-350T的Datasheet PDF文件第3页浏览型号ICS843207AY-350T的Datasheet PDF文件第4页浏览型号ICS843207AY-350T的Datasheet PDF文件第5页浏览型号ICS843207AY-350T的Datasheet PDF文件第6页浏览型号ICS843207AY-350T的Datasheet PDF文件第7页 
PRELIMINARY  
FEMTOCLOCKS™ CRYSTAL-TO-LVPECL  
350MHZ FREQUENCY MARGINING SYNTHESIZER  
ICS843207-350  
GENERAL DESCRIPTION  
FEATURES  
• Seven independently configurable LVPECL outputs at  
87.5MHz, 175MHz or 350MHz  
The ICS843207-350 is a low phase-noise  
ICS  
HiPerClockS™  
frequency margining synthesizer that targets  
clocking for high performance interfaces such  
as SPI4.2 and is a member of the HiPerClockS™  
family of high performance clock solutions from  
• Individual tri-state control of each output  
• Selectable crystal oscillator interface designed for 14MHz,  
18pF parallel resonant crystal or LVCMOS single-ended input  
IDT. In the default mode, the each output can be configured  
individually to generate an 87.5MHz, 175MHZ or 350MHz  
LVPECL output clock signal from a 14MHz crystal input.  
There is also a frequency margining mode available where  
the device can be configured, using control pins, to vary  
the output frequency up or down from nominal by 5%. The  
ICS843207-350 is provided in a 48-pin LQFP package.  
• Output frequency can be varied 5% from nominal  
• VCO range: 620MHz - 750MHz  
• RMS phase jitter @ 350MHz, using a 14MHz crystal  
(12kHz - 20MHz): 1.29ps (typical)  
• Full 3.3V output supply mode  
• 0°C to 70°C ambient operating temperature  
PIN ASSIGNMENT  
• Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
48 47 46 45 44 43 42 41 40 39 38 37  
1
VCCA  
VCC  
VCCO  
nQ6  
Q6  
VCCO  
Q0  
36  
35  
34  
33  
2
Q0  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
nQ0  
Q1  
3
BLOCK DIAGRAM  
ICS843207-350  
4
nQ0  
nQ1  
VEE  
VCCO  
Q2  
5
32  
31  
30  
48-Pin LQFP  
7mm x 7mm x 1.4mm  
package body  
Y Package  
Pullup  
Pullup  
Pullup  
Pullup  
2
2
SEL[1:0]  
VEE  
6
7
VCCO  
nQ5  
Q5  
Q1  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
8
29  
28  
27  
Top View  
nQ2  
Q3  
9
nQ1  
10  
11  
12  
nQ4  
Q4  
nQ3  
VCCO  
SEL[3:2]  
26  
25  
VCCO  
13 14 15 16 17 18 19 20 21 22 23 24  
Q2  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
nQ2  
2
2
2
SEL[5:4]  
Pulldown  
nPLL_SEL  
XTAL_IN  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
Q3  
14MHz  
1
0
nQ3  
OSC  
0
1
SEL[7:6]  
Phase  
Detector  
Predivider  
÷2  
VCO  
XTAL_OUT  
REF_CLK  
620 - 750MHz  
Q4  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
Pulldown  
nQ4  
Pulldown  
Pullup  
Pullup  
Pullup  
nXTAL_SEL  
÷100  
(÷95, ÷105)  
SEL[9:8]  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
Q5  
nQ5  
Pulldown  
Pulldown  
Pulldown  
MODE  
2
SEL[11:10]  
MARGIN  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
Q6  
To O/P Dividers  
MR  
nQ6  
2
SEL[13:12]  
The Preliminary Information presented herein represents a product in pre-production.The noted characteristics are based on initial product characterization  
and/or qualification.Integrated DeviceTechnology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.  
IDT™ / ICS™ LVPECL FREQUENCY MARGINING SYNTHESIZER  
1
ICS843207AY-350 REV A OCTOBER 19, 2006  
1234567...16

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ICS84320AK-01LF IDT

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 		780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS84320AK-01LFT IDT

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 		780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER

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