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843207CY-350LFT PDF预览

843207CY-350LFT

更新时间: 2024-02-16 11:09:23
品牌 Logo 应用领域
艾迪悌 - IDT 晶体时钟发生器微控制器和处理器外围集成电路
页数 文件大小 规格书
16页 266K
描述
FEMTOCLOCKS⑩ CRYSTAL-TO-LVPECL 350MHZ FREQUENCY MARGINING SYNTHESIZER

843207CY-350LFT 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:QFP
包装说明:LFQFP,针数:48
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.21
JESD-30 代码:S-PQFP-G48JESD-609代码:e0
长度:7 mm端子数量:48
最高工作温度:70 °C最低工作温度:
最大输出时钟频率:375 MHz封装主体材料:PLASTIC/EPOXY
封装代码:LFQFP封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):240
主时钟/晶体标称频率:15 MHz认证状态:Not Qualified
座面最大高度:1.6 mm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:COMMERCIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:20
宽度:7 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

843207CY-350LFT 数据手册

 浏览型号843207CY-350LFT的Datasheet PDF文件第2页浏览型号843207CY-350LFT的Datasheet PDF文件第3页浏览型号843207CY-350LFT的Datasheet PDF文件第4页浏览型号843207CY-350LFT的Datasheet PDF文件第5页浏览型号843207CY-350LFT的Datasheet PDF文件第6页浏览型号843207CY-350LFT的Datasheet PDF文件第7页 
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 high impedance 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, 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  
• Full 3.3V supply mode  
• 0°C to 70°C ambient operating temperature  
• Available in both standard (RoHS 5) and lead-free (RoHS 6)  
packages  
PIN ASSIGNMENT  
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
BLOCK DIAGRAM  
nQ0  
Q1  
3
ICS843207-350  
4
Q0  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
nQ1  
VEE  
VCCO  
Q2  
5
32  
31  
30  
48-Pin LQFP  
7mm x 7mm x 1.4mm  
package body  
Y Package  
VEE  
6
nQ0  
7
VCCO  
nQ5  
Q5  
Pullup  
Pullup  
Pullup  
Pullup  
2
2
SEL[1:0]  
8
29  
28  
27  
Top View  
nQ2  
Q3  
9
Q1  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
10  
11  
12  
nQ4  
Q4  
nQ3  
VCCO  
26  
25  
nQ1  
VCCO  
13 14 15 16 17 18 19 20 21 22 23 24  
SEL[3:2]  
Q2  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
nQ2  
2
2
2
SEL[5:4]  
Pulldown  
nPLL_SEL  
XTAL_IN  
14MHz  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
Q3  
1
0
OSC  
0
1
nQ3  
0
1
XTAL_OUT  
REF_CLK  
SEL[7:6]  
Phase  
Detector  
Predivider  
÷2  
VCO  
620 - 750MHz  
Pulldown  
Q4  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
nQ4  
Pulldown  
nXTAL_SEL  
Pullup  
Pullup  
Pullup  
SEL[9:8]  
0
1
÷50  
÷95  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
Q5  
nQ5  
÷105  
2
2
Pulldown  
Pulldown  
MODE  
SEL[11:10]  
MARGIN  
00 HiZ  
01 ÷2  
10 ÷8  
11 ÷4  
Q6  
To O/P Dividers  
Pulldown  
MR  
nQ6  
SEL[13:12]  
IDT/ ICSLVPECL FREQUENCY MARGINING SYNTHESIZER  
1
ICS843207CY-350 REV. A DECEMBER 3, 2007  

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