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841608AKILFT PDF预览

841608AKILFT

更新时间: 2024-02-08 15:36:44
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PC
页数 文件大小 规格书
17页 397K
描述
FEMTOCLOCKS CRYSTAL-TO-HCSL CLOCK GENERATOR VCO: 500MHz

841608AKILFT 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFN
包装说明:5 X 5 MM, 0.95 MM HEIGHT, MO-220, VFQFN-32针数:32
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.38
JESD-30 代码:S-XQCC-N32JESD-609代码:e0
长度:5 mm湿度敏感等级:3
端子数量:32最高工作温度:85 °C
最低工作温度:-40 °C最大输出时钟频率:125 MHz
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC32,.2SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):225
电源:3.3 V主时钟/晶体标称频率:25 MHz
认证状态:Not Qualified座面最大高度:1 mm
子类别:Clock Generators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:INDUSTRIAL端子面层:Tin/Lead (Sn85Pb15)
端子形式:NO LEAD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:30
宽度:5 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

841608AKILFT 数据手册

 浏览型号841608AKILFT的Datasheet PDF文件第1页浏览型号841608AKILFT的Datasheet PDF文件第3页浏览型号841608AKILFT的Datasheet PDF文件第4页浏览型号841608AKILFT的Datasheet PDF文件第5页浏览型号841608AKILFT的Datasheet PDF文件第6页浏览型号841608AKILFT的Datasheet PDF文件第7页 
ICS841608I  
FEMTOCLOCKS™ CRYSTAL-TO-HCSL CLOCK GENERATOR  
TABLE 1. PIN DESCRIPTIONS  
Number  
Name  
Type  
Description  
XTAL_IN,  
XTAL_OUT  
Parallel resonant crystal interface. XTAL_OUT is the output,  
XTAL_IN is the input.  
Active HIGH master reset. Active LOW output enable. When logic HIGH, the  
internal dividers are reset and the outputs are in high impedance (Hi-Z).  
When logic LOW, the internal dividers and the outputs are enabled.  
Asynchronous function. LVCMOS/LVTTL interface levels. See Table 3C.  
1, 2  
Input  
Input  
3
MR/nOE  
Pulldown  
4, 14,  
24, 31  
VDD  
Power  
Core supply pins.  
5, 6  
7, 8  
Q0, nQ0  
Q1, nQ1  
GND  
Output  
Output  
Power  
Output  
Output  
Output  
Output  
Output  
Output  
Input  
Differential output pair. HCSL interface levels.  
Differential output pair. HCSL interface levels.  
Power supply ground.  
9, 19, 32  
10, 11  
12, 13  
15, 16  
17, 18  
20, 21  
22, 23  
25  
Q2, nQ2  
Q3, nQ3  
Q4, nQ4  
Q5, nQ5  
Q6, nQ6  
Q7, nQ7  
FSEL  
Differential output pair. HCSL interface levels.  
Differential output pair. HCSL interface levels.  
Differential output pair. HCSL interface levels.  
Differential output pair. HCSL interface levels.  
Differential output pair. HCSL interface levels.  
Differential output pair. HCSL interface levels.  
Pulldown Output frequency select pin. LVCMOS/LVTTL interface levels. See Table 3A.  
HCSL current reference resistor output. An external fixed precision resistor  
(475Ω) from this pin to ground provides a reference current used for  
differential current-mode Qx/nQx clock outputs.  
26  
IREF  
Output  
Selects PLL operation/PLL bypass operation. Asynchronous function.  
LVCMOS/LVTTL interface levels. See Table 3B.  
27  
28  
29  
30  
BYPASS  
VDDA  
Input  
Power  
Input  
Input  
Pulldown  
Analog supply pin.  
Reference select. Selects the input reference source. See Table 3D.  
LVCMOS/LVTTL interface levels.  
REF_SEL  
REF_IN  
Pulldown  
Pulldown LVCMOS/LVTTL PLL reference clock input.  
NOTE: Pulldown refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.  
TABLE 2. PIN CHARACTERISTICS  
Symbol  
Parameter  
Test Conditions  
Minimum  
Typical  
Maximum Units  
CIN  
Input Capacitance  
4
pF  
RPULLDOWN Input Pulldown Resistor  
51  
kΩ  
TABLE 3A. FSEL FUNCTION TABLE (fREF = 25MHZ)  
TABLE 3B. BYPASS FUNCTION TABLE  
Input  
Input  
Outputs  
FSEL  
N
5
4
Q0:7/nQ0:7  
BYPASS  
PLL Configuration  
0
1
VCO/5 (100MHz) PCIe (default)  
VCO/4 (125MHz) sRIO  
0
1
PLL enabled (default)  
PLL bypassed (fOUT = fREF ÷ N)  
TABLE 3C. MR/nOE FUNCTION TABLE  
Input  
TABLE 3D. REF_SEL FUNCTION TABLE  
Input  
REF_SEL  
Input Reference  
XTAL (default)  
REF_IN  
MR/nOE Function  
0
1
0
1
Outputs enabled (default)  
Device reset, outputs disabled (high-impedance)  
IDT/ ICSHCSL CLOCK GENERATOR  
2
ICS841608AKI REV. A JUNE 18, 2008  

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