參數(shù)資料
型號(hào): ICS84329BM-01LFT
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 20/21頁(yè)
文件大?。?/td> 0K
描述: IC SYNTHESIZER 700MHZ 28-SOIC
標(biāo)準(zhǔn)包裝: 1,000
系列: HiPerClockS™
類型: 頻率合成器
PLL:
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(wú)/是
頻率 - 最大: 700MHz
除法器/乘法器: 是/無(wú)
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)
其它名稱: 84329BM-01LFT
ICS84329B-01
700MHZ, LOW JITTER, CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
IDT / ICS LVPECL FREQUENCY SYNTHESIZER
8
ICS84329BM-01 REV. C AUGUST 19, 2013
Application Information
Power Supply Filtering Technique
As in any high speed analog circuitry, the power supply pins are
vulnerable to random noise. To achieve optimum jitter perform-
ance, power supply isolation is required. The ICS84329B-01
provides separate power supplies to isolate any high switching
noise from the outputs to the internal PLL. VCC and VCCA should
be individually connected to the power supply plane through vias,
and 0.01F bypass capacitors should be used for each pin. Figure
2 illustrates this for a generic VCC pin and also shows that VCCA
requires that an additional 10
resistor along with a 10F bypass
capacitor be connected to the VCCA pin.
Figure 2. Power Supply Filtering
Recommendations for Unused Input and Output Pins
Inputs:
LVCMOS Control Pins
All control pins have internal pullups or pulldowns; additional
resistance is not required but can be added for additional
protection. A 1k
resistor can be used.
Outputs:
TEST Output
The unused TEST output can be left floating. There should be no
trace attached.
LVPECL Outputs
The unused LVPECL output pair can be left floating. We
recommend that there is no trace attached. Both sides of the
differential output pair should either be left floating or terminated.
VCC
VCCA
3.3V
10
Ω
10F
.01F
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