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參數(shù)資料
| 型號： | ICS840002BG-32T |
| 英文描述： | FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
| 中文描述： | FEMTOCLOCKS⑩晶體到的LVCMOS / LVTTL頻率合成器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 142K |
| 代理商： | ICS840002BG-32T |
Integrated
Circuit
Systems, Inc.
840002BG-32
www.icst.com/products/hiperclocks.html
REV. A JUNE 27, 2005
1
ICS840002-32
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
-
LVCMOS/LVTTL F
REQUENCY
S
YNTHESIZER
PRELIMINARY
G
ENERAL
D
ESCRIPTION
The ICS840002-32 is a 2 output LVCMOS/
LVTTL Synthesizer optimized to generate
Fibre Channel or Serial ATA reference clock
frequencies and is a member of the
HiPerClocks
TM
family of high performance
clock solutions from ICS. Using an 18pF parallel resonant
crystal, the following frequencies can be generated based
on 1 frequency select pin (SEL): 106.25MHz and 75MHz,
or 212.5MHz. The ICS840002-32 uses ICS’ 3
rd
generation
low phase noise VCO technology and can achieve 1ps or
lower typical rms phase jitter, easily meeting Fibre Channel
and Serial ATA jitter requirements. The ICS840002-32 is
packaged in a small 8-pin TSSOP package.
HiPerClockS
ICS
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
F
EATURES
Two LVCMOS/LVTTL outputs, 15
Ω
typical output impedance
Crystal oscillator interface
Output frequency range: 75MHz and 106.25MHz,
or 212.5MHz
RMS phase jitter at 106.25MHZ (637kHz - 5MHz):
0.86ps (typical)
Full 3.3V or 3.3V core/2.5V output supply mode
0°C to 70°C ambient operating temperature
XTAL_IN
XTAL_OUT
FemtoClock
ICS840002-32
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm
package body
G Package
Top View
V
DD
XTAL_OUT
XTAL_IN
GND
1
2
3
4
SEL
Q0
V
DDO
Q1
8
7
6
5
Q0
Q1
SEL
S
ELECT
F
UNCTION
T
ABLE
t
u
L
p
E
0
1
n
S
)
H
M
(
e
g
n
a
R
y
c
n
e
u
q
e
r
F
0
5
5
t
u
Q
7
7
p
t
u
O
1
Q
2
0
5
1
2
5
1
26.5625MHz
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.
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| ICS840002I-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
| ICS840004 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
| ICS840004-01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
| ICS840004-11 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
| ICS840004A01 | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER |
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