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ICS841484I Datasheet(PDF) 20 Page - Renesas Technology Corp

Part # ICS841484I
Description  FemtoClock® Crystal-to-0.7V Differential HCSL Clock Generator
PDF  28 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ICS841484I Datasheet(HTML) 20 Page - Renesas Technology Corp

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ICS841484I Data Sheet
FEMTOCLOCK® CRYSTAL-TO-0.7V DIFFERENTIAL HCSL CLOCK GENERATOR
ICS841484DKI REVISION A NOVEMBER 7, 2012
20
©2012 Integrated Device Technology, Inc.
Figure 5. ICS841484I Schematic Example
C3
10u
C9
0.1u
nQ0
VDD
Zo = 50
R4
10
Q0
Zo = 50
Zo = 50
( U1:4)
R11
50
XTAL_OUT
C7
0.1u
VDD
R9 0-33
R12
50
(U1: 29)
VDD=3.3V
Set Logic
Input to
'0'
RD1
Not Install
BLM18BB221SN1
Ferrite Bead
1
2
MR/nOE
Zo = 50
HCSL Termination
nQ0
C5
0.1uF
Q3
C8
0.1u
C10
0.1u
R7
50
RU2
Not Install
REF_IN
Set Logic
Input to
'1'
VDD
FSEL1
XTAL_IN
3.3V
(U1:1 4)
LVCMOS
OE_REFOUT
nQ3
Optional
VDDA
R5
33
Recommended for PCI
Express Add-InCard
RD2
1K
Zo = 50 Ohm
1 8 p F
R3
475
VDD
R6
33
HCSL Optional
Termination
Recommendedfor PCI
Express Point-to-Point
Connection
C2
22pF
VDD
C4
0.1u
(U1:24)
R8
50
To Logic
Input
pins
RU1
1K
Logic Control Input Examples
+
-
To Logic
Input
pins
Zo = 50
U1
1
2
3
4
5
6
7
8
17
18
19
20
21
22
23
24
XTAL_IN
XTAL_OUT
MR/nOE
VDD
Q0
nQ0
Q1
nQ1
nc
nc
GND
OE_REFOUT
REF_OUT
FSEL0
FSEL1
VDD
REF_OUT
+
-
Ro ~ 7 Ohm
Q1
Driver_LVCMOS
R10 0-33
X1
25MHz
VDD
C1
22pF
FSEL0
Q0
C6
10uF
R1
43
R2
23



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