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參數(shù)資料
| 型號(hào)： | ICS843256AG |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 時(shí)鐘產(chǎn)生/分配 |
| 英文描述： | 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| 封裝： | 4.40 X 7.80 MM, 0.92 MM HEIGHT, MO-153, TSSOP-24 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 816K |
| 代理商： | ICS843256AG |
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FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY
SYNTHESIZER WITH/INTEGRATED FANOUT BUFFER
ICS843256
IDT / ICS 3.3V LVPECL FREQUENCY SYNTHESIZER
1
ICS843256AM REV. A NOVEMBER 15, 2006
PRELIMINARY
GENERAL DESCRIPTION
The ICS843256 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 19.44MHz crystal
for SONET. The low phase noise character istics of the
ICS843256 make it an ideal clock for these demanding
applications.
FEATURES
Six 3.3V differential LVPECL output pairs
Crystal oscillator interface
Crystal input frequency range: 15.625MHz to 25.5MHz
RMS phase jitter at 125MHz, using a 25MHz crystal
(1.875MHz to 20MHz): 0.33ps (typical)
Full 3.3V or 3.3V core, 2.5V output supply mode
0°C to 70°C ambient operating temperature
Industrial temperature available upon request
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
HiPerClockS
ICS
BLOCK DIAGRAM
ICS843256
24-Lead, 300-MIL SOIC
7.5mm x 15.33mm x 2.3mm
body package
M Package
Top View
VCCO
nQ2
Q2
nQ1
Q1
nQ0
Q0
PLL_BYPASS
VCCA
VCC
FB_SEL
1
2
3
4
5
6
7
8
9
10
11
12
Q3
nQ3
Q4
nQ4
Q5
nQ5
N_SEL1
VEE
N_SEL0
XTAL_OUT
XTAL_IN
OSC
PLL
Feedback
Divider
Output
Divider
1
0
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Q4
nQ4
Q5
nQ5
XTAL_IN
XTAL_OUT
PLL_BYPASS
FB_SEL
N_SEL1
Pullup
Pulldown
N_SEL0
24
23
22
21
20
19
18
17
16
15
14
13
24-Lead TSSOP
4.40mm x 7.8mm x 0.92mm
body package
G Package
Top View
SELECT FUNCTION TABLE
s
t
u
p
n
In
o
i
t
c
n
u
F
L
E
S
_
B
F1
L
E
S
_
N0
L
E
S
_
Ne
d
i
v
i
D
Me
d
i
v
i
D
NN
/
M
00
0
5
21
5
2
00
1
5
22
5
.
2
1
01
0
5
24
5
2
.
6
01
1
5
25
5
10
0
2
31
2
3
10
1
2
32
6
1
11
0
2
34
8
11
1
2
38
4
The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization
and/or qualification. Integrated Device Technology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.
PIN ASSIGNMENT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ICS843256AMT | 333.33 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| ICS843256BGI | 625 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| ICS843256BGIT | 625 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| ICS843256BG | 625 MHz, OTHER CLOCK GENERATOR, PDSO24 |
| ICS84325EMLNT | 250 MHz, OTHER CLOCK GENERATOR, PDSO24 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ICS843256AGILF | 制造商:Integrated Device Technology Inc 功能描述:PLL Frequency Synthesizer Single 24-Pin TSSOP Tube |
| ICS843256AGLF | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843256AGLFT | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843256AGT | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
| ICS843256AM | 制造商:ICS 制造商全稱:ICS 功能描述:FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER |
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