參數(shù)資料
型號: ICS84314AY
英文描述: 350MHZ, CRYSTAL-TO-3.3V/2.5V LVPECL FREQUENCY SYNTHESIZER W/FANOUT BUFFER
中文描述: 350MHz頻段,CRYSTAL-TO-3.3V/2.5V LVPECL的頻率合成瓦/扇出緩沖器
文件頁數(shù): 11/18頁
文件大?。?/td> 222K
代理商: ICS84314AY
84314AY
www.icst.com/products/hiperclocks.html
REV. C JANUARY 27, 2005
11
Integrated
Circuit
Systems, Inc.
ICS84314
350MH
Z
, C
RYSTAL
-
TO
-3.3V/2.5V LVPECL
F
REQUENCY
S
YNTHESIZER
W
/F
ANOUT
B
UFFER
The schematic of the ICS84314 layout example used in this layout
guideline is shown in Figure 6A.The ICS84314 recommended PCB
board layout for this example is shown in Figure 6B. This layout
example is used as a general guideline. The layout in the actual
L
AYOUT
G
UIDELINE
F
IGURE
6A. S
CHEMATIC
OF
3.3V/3.3V R
ECOMMENDED
L
AYOUT
system will depend on the selected component types, the density
of the components, the density of the traces, and the stack up of
the PC. board.
R5
50
Logic Input Pin Examples
Zo = 50 Ohm
C2
V
U3
ICS84314
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
M4
M5
M6
M7
M8
VEE
VCC
VCCO
Q
n
Q
n
Q
n
Q
n
VCCO
MR
S_CLOCK
S_DATA
S_LOAD
VCCA
XTAL_SEL
TEST_CLK
M
M
M
M
V
n
X
X
RD1
Not Install
R3
50
Zo = 50 Ohm
C16
10u
+
-
VCC
C11
0.01u
VCC
R4
50
C5
0.1u
To Logic
Input
pins
Zo = 50 Ohm
C7 (Option)
0.1u
C1
C6 (Option)
0.1u
VCC
Set Logic
Input to
'0'
+
-
R2
50
To Logic
Input
pins
C3
0.1u
Set Logic
Input to
'1'
VCCA
VCC=3.3V
VCC
RU1
1K
RU2
Not Install
R1
50
X1
R6
50
C4
0.1u
RD2
1K
R7
10
V
Zo = 50 Ohm
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