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| 型号： | ICS84330CV-01LFT |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 2/19页 |
| 文件大小： | 0K |
| 描述： | IC SYNTHESIZER 700MHZ 28-PLCC |
| 标准包装： | 500 |
| 系列： | HiPerClockS™ |
| 类型： | 频率合成器 |
| PLL： | 是 |
| 输入： | 晶体 |
| 输出： | LVPECL |
| 电路数： | 1 |
| 比率 - 输入:输出： | 1:1 |
| 差分 - 输入:输出： | 无/是 |
| 频率 - 最大： | 700MHz |
| 除法器/乘法器： | 是/无 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-LCC（J 形引线） |
| 供应商设备封装： | 28-PLCC（11.5x11.5） |
| 包装： | 带卷 (TR) |
| 其它名称： | 84330CV-01LFT |
ICS84330-01 Data Sheet
700MHZ, LOW JITTER, CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS84330CM-01 REVISION A FEBRUARY 23, 2010
10
2010 Integrated Device Technology, Inc.
Crystal Input Interface
The ICS84330-01 has been characterized with 18pF parallel
resonant crystals. The capacitor values, C1 and C2, shown in Figure
3 below were determined using an 18pF parallel resonant crystal and
were chosen to minimize the ppm error. These same capacitor
values will tune any 18pF parallel resonant crystal over the frequency
range and other parameters specified in this data sheet. The
optimum C1 and C2 values can be slightly adjusted for different
board layouts.
Figure 3. Crystal Input Interface
Overdriving the XTAL Interface
The XTAL_IN input can accept a single-ended LVCMOS signal
through an AC coupling capacitor. A general interface diagram is
shown in Figure 4A. The XTAL_OUT pin can be left floating. The
maximum amplitude of the input signal should not exceed 2V and the
input edge rate can be as slow as 10ns. This configuration requires
that the output impedance of the driver (Ro) plus the series
resistance (Rs) equals the transmission line impedance. In addition,
matched termination at the crystal input will attenuate the signal in
half. This can be done in one of two ways. First, R1 and R2 in parallel
should equal the transmission line impedance. For most 50
applications, R1 and R2 can be 100
. This can also be
accomplished by removing R1 and making R2 50
. By overdriving
the crystal oscillator, the device will be functional, but note, the device
performance is guaranteed by using a quartz crystal.
Figure 4A. General Diagram for LVCMOS Driver to XTAL Input Interface
Figure 4B. General Diagram for LVPECL Driver to XTAL Input Interface
XTAL_IN
XTAL_OUT
X1
18pF Parallel Crystal
C1
22p
C2
22p
R2
100
R1
100
RS
43
Ro ~ 7 Ohm
Driv er_LVCMOS
Zo = 50 Ohm
C1
0.1uF
3.3V
Cry stal Input Interf ace
XTAL_IN
XTAL_OUT
Cry stal Input Interf ace
XTAL_IN
XTAL_OUT
R3
50
C1
0.1uF
R2
50
R1
50
Zo = 50 Ohm
LVPECL
Zo = 50 Ohm
VCC=3.3V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS84330CV-01T | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER 700MHZ 28-PLCC |
| ICS84330CVI | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER 720MHZ 28-PLCC |
| ICS84330CVILF | 功能描述:IC FREQ SYNTHESIZER 28PLCC RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:HiPerClockS™ 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 |
| ICS84330CVILFT | 功能描述:IC FREQ SYNTHESIZER 28PLCC RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:HiPerClockS™ 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 |
| ICS84330CVIT | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER 720MHZ 28-PLCC |
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