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參數(shù)資料
| 型號(hào)： | ICS843004AI01 |
| 英文描述： | FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
| 中文描述： | FEMTOCLOCKS -商標(biāo)晶體到3.3伏，2.5伏的LVPECL頻率合成器 |
| 文件頁數(shù)： | 9/14頁 |
| 文件大?。?/td> | 252K |
| 代理商： | ICS843004AI01 |
843004AGI-01
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 11, 2005
9
Integrated
Circuit
Systems, Inc.
ICS843004I-01
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
-
3.3V, 2.5V LVPECL F
REQUENCY
S
YNTHESIZER
VCC=3.3V
VDD
V
Zo = 50 Ohm
+
-
18pF
V
R5
133
RD1
To Logic
Input
pins
VCC
Zo = 50 Ohm
RU2
3.3V
R9
133
U1
ICS843004-01
1
2
3
4
5
6
7
8
9
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
n
Q
V
Q
n
M
n
N
V
F
V
F
X
X
V
T
n
V
V
n
Q
V
Q
n
VCC
C3
+
-
R3
C7
X1
25MHz
Zo = 50 Ohm
R7
3.3V
VDD
R6
VCCA
0.C4
C8
VCCO=3.3V
Logic Control Input Examples
C6
0.1u
C2
33pF
C9
R2
10
RU1
R4
Set Logic
Input to
'1'
C1
To Logic
Input
pins
R10
Zo = 50 Ohm
R8
Set Logic
Input to
'0'
VCCO
RD2
1K
L
AYOUT
G
UIDELINE
Figure 5shows a schematic example of the ICS843004I-01. An
example of LVEPCL termination is shown in this schematic. Ad-
ditional LVPECL termination approaches are shown in the
LVPECL Termination Application Note. In this example, an 18pF
F
IGURE
5. ICS843004I-01 S
CHEMATIC
E
XAMPLE
parallel resonant 25MHz crystal is used. The C1=27pF and
C2=33pF are recommended for frequency accuracy. For differ-
ent board layout, the C1 and C2 may be slightly adjusted for
optimizing frequency accuracy.
ICS843004I-01
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ICS843004I-01 | FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
| ICS843004AGI-04 | FEMTOCLOCKS-TM CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS843004AGI-04LF | FEMTOCLOCKS-TM CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS843004AGI-04LFT | FEMTOCLOCKS-TM CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS843004AGI-04T | FEMTOCLOCKS-TM CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS843004AI04 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS843004I | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
| ICS843004I-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER |
| ICS843004I-04 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER |
| ICS843011 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR |
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