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參數(shù)資料
| 型號(hào)： | 43252A04 |
| 英文描述： | FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR |
| 中文描述： | FEMTOCLOCKS⑩晶體至3.3V的LVPECL時(shí)鐘發(fā)生器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 160K |
| 代理商： | 43252A04 |
843252AG-04
www.icst.com/products/hiperclocks.html
REV. A JANUARY 25, 2006
1
Integrated
Circuit
Systems, Inc.
ICS843252-04
F
EMTO
C
LOCKS
C
RYSTAL
-
TO
-
3.3V LVPECL C
LOCK
G
ENERATOR
PRELIMINARY
G
ENERAL
D
ESCRIPTION
The ICS843252-04 is a 10Gb/12Gb Ethernet
Clock Generator and a member of the
HiPerClocks
TM
family of high performance
devices from ICS. The ICS843252-04 can
synthesize 10 Gigabit Ethernet and 12 Gigabit
Ethernet with a 25MHz crystal. It can also generate SATA
and 10Gb Fibre Channel reference clock frequencies with
the appropriate choice of crystals. The ICS843252-04 has
excellent phase jitter performance and is packaged in a
small 16-pin TSSOP, making it ideal for use in systems with
limited board space.
F
EATURES
Two differential 3.3V LVPECL output
Crystal oscillator interface designed for
18pF parallel resonant crystals
Crystal input frequency range: 19.33MHz - 30MHz
Output frequency range: 145MHz - 187.5MHz
VCO frequency range: 580MHz - 750MHz
RMS phase jitter at 156.25MHz (1.875MHz - 20MHz):
0.39ps (typical)
3.3V operating supply
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
Available in both standard and lead-free compliant
packages
HiPerClockS
ICS
Pulldown
Pulldown
Pulldown
Pullup
Pulldown
1
0
1
0
Phase
Detector
VCO
580MHz-750MHz
OSC
0 = ÷25
(default)
1 = ÷30
DIV. N
÷4
D
LE
Q
XTAL_IN
XTAL_OUT
Q0
nQ0
Q1
nQ1
FREQ_SEL
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.
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
C
ONFIGURATION
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WITH
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RYSTALS
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CLK_SEL
REF_CLK
nPLL_SEL
OE
nQ1
Q1
V
CCO
OE
nPLL_SEL
V
CCO
Q0
nQ0
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
XTAL_IN
XTAL_OUT
V
EE
REF_CLK
CLK_SEL
V
CC
V
CCA
FREQ_SEL
ICS843252-04
16-Lead TSSOP
4.4mm x 5.0mm x 0.92mm
package body
G Package
Top View
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