ICS309RLF PDF预览

ICS309RLF

更新时间: 2025-07-15 14:42:43
品牌 Logo 应用领域
艾迪悌 - IDT 时钟光电二极管外围集成电路晶体
页数 文件大小 规格书
10页 101K
描述
Clock Generator, 200MHz, PDSO20, 0.150 INCH, LEAD FREE, SSOP-20

ICS309RLF 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:SSOP
包装说明:0.150 INCH, ROHS COMPLIANT, SSOP-20针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.51
Is Samacsys:NJESD-30 代码:R-PDSO-G20
JESD-609代码:e3长度:8.65 mm
湿度敏感等级:1端子数量:20
最高工作温度:70 °C最低工作温度:
最大输出时钟频率:200 MHz封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SSOP20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3.3 V
主时钟/晶体标称频率:50 MHz认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Clock Generators
最大供电电压:3.6 V最小供电电压:3 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:Matte Tin (Sn) - annealed端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3.9 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

ICS309RLF 数据手册

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ICS309  
SERIAL PROGRAMMABLE TRIPLE PLL SS VERSACLOCK SYNTH  
SER PROG CLOCK SYNTHESIZER  
Configuring the ICS309  
Initial State: The ICS309 may be configured to have up to 9 frequency outputs, utilizing the 4 on-board  
PLLs and spread spectrum circuitry. Unprogrammed, the part has the following outputs, related to the  
reference input clock:  
Default Outputs  
Output  
Frequency  
Clocks 1 - 9 (Pins 4, 7-14)  
Reference Output  
The STROBE pin must have an external 250 kOhm pull-up resistor to acheive the Initial State.  
The input crystal range for the ICS309 is 5 MHz to 27 MHz.  
The ICS309 can be programmed to set the output functions and frequencies. 160 data bits generated by  
TM  
the VersaClock software are written in DATA pin in this order: MSB (left most bit) first.  
As show in Figure 2, after these 160 bits are clocked into the ICS309, taking STROBE high will send this  
data to the internal latch and the CLK output will lock within 10 ms.  
Note: STROBE utilizes a transparent latch that is latched when in the high state. If STROBE is in the high  
state and SCLK is pulsed, DATA is clocked directly to the internal latch and the output conditions will  
change accordingly. Although this will not damage the ICS309, it is recommended that STROBE be kept  
low while DATA is being clocked into the ICS309 in order to avoid unintended changes on the output clocks.  
All outputs may be turned off during initialization by bringing the PDTS pin to Ground. When PDTS is  
brought high, after the Strobe pin in brought high, the programmed output frequencies will be available.  
AC Parameters for Writing to the ICS309  
Parameter  
tSETUP  
tHOLD  
tW  
Condition  
Setup time  
Min.  
10  
Max.  
Units  
ns  
Hold time after SCLK  
Data wait time  
10  
ns  
10  
ns  
tS  
Strobe pulse width  
SCLK Frequency  
40  
ns  
30  
MHz  
DATA  
tsetup  
Bit160 Bit159 Bit158  
Bit3  
Bit2  
Bit1  
thold  
SCLK  
tw  
ts  
STROBE  
Figure 2. Timing Diagram for Programming the ICS309  
IDT® SERIAL PROGRAMMABLE TRIPLE PLL SS VERSACLOCK SYNTH  
3
ICS309  
REV L 091311  

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