參數(shù)資料
型號: ICS84320AYI-01LF
英文描述: 780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
中文描述: 支持780MHZ,水晶到3.3微分
文件頁數(shù): 12/18頁
文件大小: 194K
代理商: ICS84320AYI-01LF
84320AYI-01
www.icst.com/products/hiperclocks.html
REV. A AUGUST 11, 2005
12
Integrated
Circuit
Systems, Inc.
ICS84320I-01
780MH
Z
, C
RYSTAL
-
TO
-3.3V D
IFFERENTIAL
LVPECL F
REQUENCY
S
YNTHESIZER
The schematic of the ICS84320I-01 layout example used in
this layout guideline is shown in
Figure 5A.
The ICS84320I-01
recommended PCB board layout for this example is shown in
Figure 5B.
This layout example is used as a general guideline.
L
AYOUT
G
UIDELINE
F
IGURE
5A. S
CHEMATIC
OF
R
ECOMMENDED
L
AYOUT
The layout in the actual system will depend on the selected
component types, the density of the components, the density
of the traces, and the stack up of the P.C. board.
X1
S_LOAD
S_DATA
R3
125
R2
84
C16
10u
R1
125
VCC=3.3V
F
VCC
S_CLOCK
R4
84
TL1
+
-
VCCA
VCC
V
V
C14
0.1u
Zo = 50 Ohm
nTL1
C1
C11
0.01u
Zo = 50 Ohm
C2
XTAL_SEL
C15
0.1u
F
U1
ICS84320i-01
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
17
18
19
20
21
22
23
24
3
3
3
2
2
2
2
2
M5
M6
M7
M8
N0
N1
nc
VEE
T
V
F
n
V
F
n
V
MR
S_CLOCK
S_DATA
S_LOAD
VCCA
XTAL_SEL
T_CLK
X_OUT
M
M
M
M
M
V
n
X
REF_IN
R7
10
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