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參數資料
| 型號： | ICS843246I |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| 中文描述： | FEMTOCLOCKS⑩晶體至3.3的LVPECL頻率合成瓦/扇出緩沖器集成 |
| 文件頁數： | 1/17頁 |
| 文件大小： | 345K |
| 代理商： | ICS843246I |
FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY
SYNTHESIZER W/INTEGRATED FANOUT BUFFER
G
ENERAL
D
ESCRIPTION
The ICS843246I is a Crystal-to-3.3V LVPECL Clock
Synthesizer/Fanout Buffer designed for Fibre
Channel and Gigabit Ethernet applications and is
a member of the HiperClockS family of High
Performance Clock Solutions from IDT. The output
frequency can be set using the frequency select pins and a
25MHz crystal for Ethernet frequencies, or a 26.5625MHz
crystal for a Fibre Channel. The low phase noise characteristics
of the ICS843246I make it an ideal clock for these demanding
applications.
ICS 843246I
IDT
/ ICS
3.3V LVPECL FREQUENCY SYNTHESIZER
1
ICS843246BGI REV. A AUGUST 2, 2007
B
LOCK
D
IAGRAM
F
EATURES
Six LVPECL outputs
Crystal oscillator interface
VCO range: 490MHz to 680MHz
Crystal input frequency range: 25MHz to 33.333MHz
RMS phase jitter at 125MHz, using a 25MHz crystal
(1.875MHz to 20MHz): 0.41ps (typical)
Full 3.3V or 3.3V core, 2.5V output supply mode
Core/Output
3.3V/3.3V
3.3V/2.5V
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
HiPerClockS
ICS
Q0
V
CCO
V
CCO
nQ2
Q2
nQ1
Q1
nQ0
Q0
PLL_BYPASS
V
CCA
V
CC
FB_SEL
Q3
nQ3
Q4
nQ4
Q5
nQ5
N_SEL1
V
EE
V
EE
N_SEL0
XTAL_OUT
XTAL_IN
OSC
PLL
Feedback
Divider
Output
Divider
1
0
XTAL_IN
XTAL_OUT
PLL_BYPASS
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Q4
nQ4
Q5
nQ5
FB_SEL
N_SEL1
N_SEL0
Pullup
Pulldown
Pullup
Pullup
ICS843246I
24-Lead TSSOP, E-Pad
4.40mm x 7.8mm x 0.9mm
body package
G Package
Top View
S
ELECT
F
UNCTION
T
ABLE
s
u
L
E
S
0
0
1
1
0
0
1
1
p
n
_
N
n
o
n
D
N
u
F
L
E
S
0
0
0
0
1
1
1
1
_
B
F
1
0
L
E
S
0
1
0
1
0
1
0
1
_
N
e
d
D
0
2
0
2
0
2
0
2
4
2
4
2
4
2
4
2
M
e
d
2
4
5
8
3
4
6
2
1
N
/
0
1
5
4
5
8
6
4
2
M
P
IN
A
SSIGNMENT
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
相關PDF資料 |
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|---|---|
| ICS844001-21 | FEMTOCLOCKS⑩ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER |
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| ICS844001AG-21T | FEMTOCLOCKS⑩ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER |
| ICS844001AG-21 | FEMTOCLOCKS⑩ CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICS84324EM | 制造商:ICS 制造商全稱:ICS 功能描述:CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84324EMT | 制造商:ICS 制造商全稱:ICS 功能描述:CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS84325 | 制造商:ICS 制造商全稱:ICS 功能描述:CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER WITH FANOUT BUFFER |
| ICS8432-51 | 制造商:ICS 制造商全稱:ICS 功能描述:700MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER |
| ICS843251-04 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR |
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