參數(shù)資料
型號: ICS8430BYI-71T
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 700 MHz, OTHER CLOCK GENERATOR, PQFP32
封裝: 7 X 7 MM, 1.40 MM HEIGHT, MS-026BBA, LQFP-32
文件頁數(shù): 2/16頁
文件大小: 167K
代理商: ICS8430BYI-71T
8430BYI-71
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 17, 2006
10
Integrated
Circuit
Systems, Inc.
ICS8430BI-71
700MHZ, LOW JITTER, CRYSTAL INTERFACE/
LVCMOS-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
PRELIMINARY
FIGURE 5A. SCHEMATIC OF RECOMMENDED LAYOUT
LAYOUT GUIDELINE
The schematic of the ICS8430BI-71 layout example used in this
layout guideline is shown in Figure 5A. The ICS8430BI-71 rec-
ommended PCB board layout for this example is shown in Fig-
ure 5B. This layout example is used as a general guideline. The
layout in the actual system will depend on the selected com-
ponent types, the density of the components, the density of
the traces, and the stack up of the P.C. board.
S_LOAD
TL1
Zo = 50 Ohm
R7
10
C14
0.1u
C2
S_CLOCK
VCC
VC
C
C16
10u
X1
R1
125
FO
UT
REF_IN
TL2
Zo = 50 Ohm
R4
84
C1
U1
ICS8430BI-71
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
32
31
30
29
28
27
26
25
M5
M6
M7
M8
N0
N1
N2
VEE
T
EST
VC
C
F
O
UT1
n
FO
UT1
VC
C
O
F
O
UT0
n
FO
UT0
VE
E
MR
S_CLOCK
S_DATA
S_LOAD
VCCA
XTAL_SEL
TEST_CLK
X_OUT
M4
M3
M2
M1
M0
VC
O
_
SEL
n
P_
LOAD
X_I
N
R3
125
R2
84
C11
0.01u
IN+
XTAL_SEL
C15
0.1u
IN-
+
-
F
O
UTN
VCC
VCCA
VC
C
S_DATA
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