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參數資料
| 型號： | ICS84329BM-01LFT |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數： | 21/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SYNTHESIZER 700MHZ 28-SOIC |
| 標準包裝： | 1,000 |
| 系列： | HiPerClockS™ |
| 類型： | 頻率合成器 |
| PLL： | 是 |
| 輸入： | 晶體 |
| 輸出： | LVPECL |
| 電路數： | 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） |
| 供應商設備封裝： | 28-SOIC |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | 84329BM-01LFT |
ICS84329B-01
700MHZ, LOW JITTER, CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
IDT / ICS LVPECL FREQUENCY SYNTHESIZER
9
ICS84329BM-01 REV. C AUGUST, 19, 2013
Crystal Input Interface
The ICS84329B-01 has been characterized for either series or
parallel mode operation. The ICS84329B-01 has a built-in crystal
oscillator circuit. This interface can accept either a series or parallel
crystal without additional components and generate frequencies
with accuracy suitable for most applications. Additional accuracy
can be achieved by adding two small capacitors C1 and C2 as
shown in Figure 3.
Figure 3. Crystal Input Interface
LVCMOS to 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 4. The XTAL_OUT pin can be left floating. The
input edge rate can be as slow as 10ns. For LVCMOS inputs, it is
recommended that the amplitude be reduced from full swing to half
swing in order to prevent signal interference with the power rail and
to reduce noise. 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
.
Figure 4. General Diagram for LVCMOS Driver to XTAL Input Interface
XTAL_IN
XTAL_OUT
X1
18pF Parallel Crystal
C1
18p
C2
22p
XTAL_IN
XTAL_OUT
Ro
Rs
Zo = Ro + Rs
50
Ω
0.1f
R1
R2
VCC
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS84329BM-01T | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER 700MHZ 28-SOIC |
| ICS84329BV | 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 |
| ICS84329BV-01 | 制造商:Integrated Device Technology Inc 功能描述:IC SYNTHESIZER 700MHZ 28-PLCC |
| ICS84329BV-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™ 標準包裝: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:- 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 供應商設備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
| ICS84329BV-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™ 標準包裝: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:- 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 供應商設備封裝:56-VFQFP-EP（8x8） 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT |
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