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| 型号： | ICS527R-01LFT |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | 527 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28 |
| 封装： | 0.150 INCH, 0.025 MM PITCH, LEAD FREE, MO-153, SSOP-28 |
| 文件页数： | 7/10页 |
| 文件大小： | 275K |
| 代理商： | ICS527R-01LFT |
Clock Slicer User Configurable Zero Delay Buffer
MDS 527-01 E
6
Revision 032405
Integrated Circuit Systems, Inc.
● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
ICS527-01
Using the equation for selecting dividers gives:
If FDW = 0, then RDW = 8. This gives the required divide-by-5 function. Setting pin DIV2 = 1 gives both a
25 MHz and a 50 MHz output from the ICS527-01. The FBIN pin is connected to the QA7 output of the
MK74CB218. This aligns all the outputs of the MK74CB218 with the 25 MHz input since the ICS527-01
aligns rising edges on the ICLK and FBIN pins. The propagation delay of the buffer is compensated by the
PLL.
In this example, series termination resistors have been omitted for clarity but should be used on all clock
outputs.
PCB Layout Recommendations
For optimum device performance and lowest output
phase noise, the following guidelines should be
observed.
1) Each 0.01F decoupling capacitor should be
mounted on the component side of the board as close
to the VDD pin as possible. No via’s should be used
between decoupling capacitor and VDD pin. The PCB
trace to VDD pin should be kept as short as possible,
as should the PCB trace to the ground via.
2) To minimize EMI the 33
series termination resistor,
if needed, should be placed close to the clock outputs.
3) An optimum layout is one with all components on the
same side of the board, minimizing vias through other
signal layers. Other signal traces should be routed
away from the ICS527-01. This includes signal traces
just underneath the device, or on layers adjacent to the
ground plane layer used by the device.
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the ICS527-01. These ratings,
which are standard values for ICS commercially rated parts, are stress ratings only. Functional operation of
the device at these or any other conditions above those indicated in the operational sections of the
specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can
affect product reliability. Electrical parameters are guaranteed only over the recommended operating
temperature range.
(FDW + 2)
(RDW + 2)
25 MHz = 125 MHz x
Item
Rating
Supply Voltage, VDD
7 V
All Inputs and Outputs
-0.5 V to VDD+0.5 V
Ambient Operating Temperature (Commercial)
0 to +70
°C
Ambient Operating Temperature (Industrial)
-40 to +85
°C
Storage Temperature
-65 to +150
°C
Junction Temperature
125
°C
Soldering Temperature
260
°C
ICS527-01
Clock Slicer User Configurable Zero Delay Buffer
TSD
IDT / ICS Clock Slicer User Configurable Zero Delay Buffer
ICS527-01
6
相关PDF资料 |
PDF描述 |
|---|---|
| ICS527R-01LF | 527 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28 |
| ICS527R-01 | 527 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28 |
| ICS527R-02I | 527 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28 |
| ICS527R-02T | 527 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28 |
| ICS527R-02 | 527 SERIES, PLL BASED CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO28 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS527R-01T | 功能描述:IC CLOCK SLICER ZD BUFFER 28SSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 产品变化通告:Product Discontinuation 04/May/2011 标准包装:96 系列:- 类型:时钟倍频器，零延迟缓冲器 PLL:带旁路 输入:LVTTL 输出:LVTTL 电路数:1 比率 - 输入:输出:1:8 差分 - 输入:输出:无/无 频率 - 最大:133.3MHz 除法器/乘法器:是/无 电源电压:3 V ~ 3.6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:管件 其它名称:23S08-5HPGG |
| ICS527R-02 | 功能描述:IC CLOCK SLICER ZD BUFFER 28SSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 产品变化通告:Product Discontinuation 04/May/2011 标准包装:96 系列:- 类型:时钟倍频器，零延迟缓冲器 PLL:带旁路 输入:LVTTL 输出:LVTTL 电路数:1 比率 - 输入:输出:1:8 差分 - 输入:输出:无/无 频率 - 最大:133.3MHz 除法器/乘法器:是/无 电源电压:3 V ~ 3.6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:管件 其它名称:23S08-5HPGG |
| ICS527R-02I | 功能描述:IC CLOCK SLICER ZD BUFFER 28SSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:1,000 系列:- 类型:时钟/频率合成器，扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP（8x8） 包装:带卷 (TR) 其它名称:844S012AKI-01LFT |
| ICS527R-02ILF | 制造商:Integrated Device Technology Inc 功能描述:IC CLOCK SLICER ZD BUFFER 28SSOP |
| ICS527R-02ILFT | 制造商:Integrated Device Technology Inc 功能描述:IC CLOCK SLICER ZD BUFFER 28SSOP |
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