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参数资料
| 型号： | ICS84325EM |
| 元件分类： | XO, clock |
| 英文描述： | 250 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| 封装： | 15.33 X 7.50 MM, 2.30 MM HEIGHT, MS-013, MO-119, SOIC-24 |
| 文件页数： | 1/15页 |
| 文件大小： | 275K |
| 代理商： | ICS84325EM |
84325EM
www.icst.com/products/hiperclocks.html
REV. B OCTOBER 11, 2004
1
Integrated
Circuit
Systems, Inc.
ICS84325
CRYSTAL-TO-3.3V LVPECL
FREQUENCY SYNTHESIZER WITH FANOUT BUFFER
GENERAL DESCRIPTION
The ICS84325 is a Crystal-to-3.3V LVPECL
Frequency Synthesizer with Fanout Buffer and a
member of the HiPerClockS family of High
Performance Clock Solutions from ICS. The
output frequency can be programmed using
frequency select pins. The low phase noise characteristics
of the ICS84325 make it an ideal clock source for Fibre
Channel 1, Fibre Channel 2, Infiniband and Gigabit
Ethernet applications.
BLOCK DIAGRAM
PIN ASSIGNMENT
FEATURES
6 differential 3.3V LVPECL outputs
Crystal oscillator interface
Output frequency range: 106.25MHz to 250MHz
Crystal input frequency: 25MHz and 25.5MHz
Output skew: 60ps (maximum)
RMS phase jitter at 212.5MHz, using a 25.5MHz crystal
(637KHz to 10MHz): 2.76ps
Phase noise: Typical at 212.5MHz
Offset
Noise Power
100Hz ................. -92 dBc/Hz
1KHz ................. -112 dBc/Hz
10KHz ................. -120 dBc/Hz
100KHz ................. -122 dBc/Hz
3.3V supply voltage
0°C to 70°C ambient operating temperature
Lead-Free package available.
Industrial temperature information available upon request
HiPerClockS
ICS
Q0:Q5
ICS84325
24-Lead, 300-MIL SOIC
7.5mm x 15.33mm x 2.3mm body package
M Package
Top View
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Q4
nQ4
Q5
nQ5
VCCO
F_SEL0
F_SEL1
MR
XTAL1
XTAL2
VEE
VCCA
VCC
PLL_SEL
VEE
VCCO
PLL
Feedback
Divider
OSC
Output
Divider
0
1
6/
XTAL1
XTAL2
F_SEL1
PLL_SEL
MR
F_SEL0
nQ0:nQ5
FUNCTION TABLE
s
t
u
p
n
IL
A
T
Xy
c
n
e
u
q
e
r
F
t
u
p
t
u
O
R
M1
L
E
S
_
F0
L
E
S
_
FT
U
O
_
F
1X
X
W
O
L
00
0
z
H
M
5
.
5
2z
H
M
5
2
.
6
0
1
00
1
z
H
M
5
.
5
2z
H
M
5
.
2
1
2
01
0
z
H
M
5
2z
H
M
5
2
1
01
1
z
H
M
5
2z
H
M
0
5
2
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS84325EMLN | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84325EMLNT | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84325EMT | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84326 | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-3.3V LVPECL SERIAL ATTACHED SCSI CLOCK SYNTHESIZER/FANOUT BUFFER |
| ICS84326AM | 制造商:ICS 制造商全称:ICS 功能描述:CRYSTAL-TO-3.3V LVPECL SERIAL ATTACHED SCSI CLOCK SYNTHESIZER/FANOUT BUFFER |
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