參數(shù)資料
型號(hào): ICS8431AMI-21LF
英文描述: 350MHZ, LOW JITTER, CRYSTAL OSCILLATOR-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
中文描述: 350MHz頻段,低抖動(dòng),晶體振蕩器到3.3的LVPECL頻率合成器
文件頁(yè)數(shù): 10/16頁(yè)
文件大?。?/td> 207K
代理商: ICS8431AMI-21LF
8431AMI-21
www.icst.com/products/hiperclocks.html
REV. A AUGUST 2, 2005
10
Integrated
Circuit
Systems, Inc.
ICS8431I-21
350MH
Z
, L
OW
J
ITTER
, C
RYSTAL
O
SCILLATOR
-
TO
-3.3V LVPECL F
REQUENCY
S
YNTHESIZER
The schematic of the ICS8431I-21 layout example used in
this layout guideline is shown in Figure 5A. The ICS8431I-21
recommended PCB board layout for this example is shown
L
AYOUT
G
UIDELINE
in Figure 5B. This layout example is used as a general guide-
line. The layout in the actual system will depend on the se-
lected component types and the density of the P.C. board.
F
IGURE
5A. S
CHEMATIC
E
XAMPLE
C4
10uF
U1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
28
27
26
25
M0
M1
M2
M3
M4
M5
M6
M7
M8
SSC_CTL0
SSC_CTL1
VEE
TEST_IO
VCC
VEE
nFOUT
FOUT
VCCO
DIV_SEL
MR
VEE
VCCA
NC
NC
nP_LOAD
VCC
XTAL_IN
XTAL_OUT
R5
10
C6
0.01uF
C3
0.01uF
R3
125
C7
22pF
VCC
VCC
Zo = 50 Ohm
C2
0.1uF
RD2
1K
R4
84
To Logic
Input
pins
To Logic
Input
pins
RU1
1K
RD1
SP
Logic Input Pin Examples
Set Logic
Input to
'1'
VCC=3.3V
VCC
Zo = 50 Ohm
C8
22pF
Set Logic
Input to
'0'
RU2
SP
R1
125
X1
VCC
VCCA
C1
0.1uF
+
-
VCC
SP=Spare, not installed
VCC
R2
84
VCC
ICS8431I-21
相關(guān)PDF資料
PDF描述
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