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參數(shù)資料
| 型號： | ICS84330CM-01LFT |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 2/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC FREQ SYNTHESIZER 28SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 系列： | HiPerClockS™ |
| 類型： | 頻率合成器 |
| PLL： | 是 |
| 輸入： | 晶體 |
| 輸出： | LVPECL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 無/是 |
| 頻率 - 最大： | 700MHz |
| 除法器/乘法器： | 是/無 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC |
| 包裝： | 帶卷 (TR) |
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS84330CM-01T | 制造商:ICS 制造商全稱:ICS 功能描述:700MHZ, LOW JITTER, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER |
| ICS84330CV | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER 700MHZ 28-PLCC |
| ICS84330CV-01 | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER 700MHZ 28-PLCC |
| ICS84330CV-01LF | 功能描述:IC SYNTHESIZER 700MHZ 28-PLCC RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS84330CV-01LFT | 功能描述:IC SYNTHESIZER 700MHZ 28-PLCC RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器，PLL，頻率合成器 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時鐘/頻率合成器，扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
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