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ICS9250-08 데이터시트(PDF) 14 Page - Renesas Technology Corp

부품명 ICS9250-08
상세설명  Frequency Generator & Integrated Buffers for Celeron & PII/III™
PDF  17 Pages
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ICS9250-08 데이터시트(HTML) 14 Page - Renesas Technology Corp

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ICS9250-08
0378J—05/17/05
General Layout Precautions:
1) Use a ground plane on the top layer
of the PCB in all areas not used by
traces.
2) Make all power traces and ground
traces as wide as the via pad for
lower inductance.
Notes:
1) All clock outputs should have a
series terminating resistor, and a
20pF capacitor to ground between
the resistor and clock pin. Not
shown in all places to improve
readibility of diagram.
2) Optional crystal load capacitors
are recommended. They should be
included in the layout but not
inserted unless needed.
Component Values:
C1 : Crystal load values determined by user
C2 : 22µF/20V/D case/Tantalum
AVX TAJD226M020R
C3 : 100pF ceramic capacitor
C4 : 20pF capacitor
FB = Fair-Rite products 2512066017X1
All unmarked capacitors are 0.01µF ceramic
Connections to VDD:
= Routed Power
= Ground Connection (component side copper)
= Ground Plane Connection
= Power Route Connection
= Solder Pads
= Clock Load
Ferrite
Bead
VDD
C2
22µF/20V
Tantalum
Ferrite
Bead
VDD
C2
22µF/20V
Tantalum
C3
C3
1
Clock Load
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C1
C1
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3.3V Power Route
3.3V Power Route
Ground
Ground
2.5V Power Route



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