參數(shù)資料
型號: 8400110EKILF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: XO, clock
英文描述: OTHER CLOCK GENERATOR, QCC32
封裝: 5 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD-2, VFQFN-32
文件頁數(shù): 12/14頁
文件大?。?/td> 699K
代理商: 8400110EKILF
ICS8400110I Data Sheet
LOW JITTER, TELCOM RATE-CONVERSION PLL
ICS8400110EKI REVISION A NOVEMBER 9, 2009
7
2009 Integrated Device Technology, Inc.
Parameter Measurement Information, continued
Input-to-Output Timing for Synchronous Clock
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 performance,
power supply isolation is required. TheICS8400110I provides
separate power supplies to isolate any high switching noise from the
outputs to the internal PLL. VDD and VDDA should be individually
connected to the power supply plane through vias, and 0.01F
bypass capacitors should be used for each pin. Figure 1 illustrates
this for a generic VDD pin and also shows that VDDA requires that an
additional 10
resistor along with a 10F bypass capacitor be
connected to the VDDA pin.
Figure 1. Power Supply Filtering
REF
tREF<xx>P
tREFW
C65o
tREF<x>_C65D
tC65L
VDD
VDDA
3.3V
10
10
10F
.01F
10F
.01F
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