参数资料
型号: ICS874003AG-02T
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: PCI EXPRESS⑩ JITTER ATTENUATOR
中文描述: 874003 SERIES, PLL BASED CLOCK DRIVER, 3 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20
封装: 6.50 X 4.40 MM, 0.92 MM HEIGHT, MO-153, TSSOP-20
文件页数: 1/14页
文件大小: 629K
代理商: ICS874003AG-02T
PCI EXPRESS JITTER ATTENUATOR
ICS874003-02
IDT
/ ICS
PCI EXPRESS JITTER ATTENUATOR
1
ICS874003AG-02 REV A AUGUST 29, 2006
÷5
÷4
÷2
(default)
÷5
÷4
÷2
(default)
VCO
490 - 640MHz
Phase
Detector
M = ÷5
(fixed)
3
3
G
ENERAL
D
ESCRIPTION
The ICS874003-02 is a high performance Dif-
ferential-to-LVDS Jitter Attenuator designed for
use in PCI Express systems. In some PCI Express
systems, such as those found in desktop PCs, the
PCI Express clocks are generated from a low
bandwidth, high phase noise PLL frequency synthesizer. In
these systems, a jitter attenuator may be required to attenuate
high frequency random and deterministic jitter components
from the PLL synthesizer and from the system board. The
ICS874003-02 has a bandwidth of 400kHz. The 400kHz
provides an intermediate bandwidth that can easily track
triangular spread profiles, while providing good jitter
attenuation.
The ICS874003-02 uses IDT’s 3
rd
Generation FemtoClock
TM
PLL technology to achive the lowest possible phase noise.
The device is packaged in a 20 Lead TSSOP package, making
it ideal for use in space constrained applications such as PCI
Express add-in cards.
F
EATURES
Three Differential LVDS output pairs
One Differential clock input
CLK and nCLK supports the following input types:
LVPECL, LVDS, LVHSTL, SSTL, HCSL
Output frequency range: 98MHz - 320MHz
Input frequency range: 98MHz - 128MHz
VCO range: 490MHz - 640MHz
Cycle-to-cycle jitter: 35ps (maximum)
Supports PCI-Express Spread-Spectrum Clocking
The 400kHz bandwidth mode allows the system designer to
make jitter attenuation/tracking skew design trade-offs
3.3V operating supply
0°C to 70°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
HiPerClockS
ICS
QA0
nQA0
B
LOCK
D
IAGRAM
OEA
F_SEL2:0
CLK
nCLK
MR
OEB
QA1
nQA1
QB0
nQB0
Pulldown
Pulldown
Pullup
Pullup
Pullup
P
IN
A
SSIGNMENT
ICS874003-02
20-Lead TSSOP
6.5mm x 4.4mm x 0.92mm
package body
G Package
Top View
QA1
V
DDO
QA0
nQA0
MR
F_SEL0
nc
V
DDA
F_SEL1
V
DD
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
nQA1
V
DDO
QB0
nQB0
F_SEL2
OEB
GND
nCLK
CLK
OEA
Pulldown
F_SEL[2:0] F
UNCTION
T
ABLE
s
u
L
E
S
0
0
1
1
0
0
1
1
p
n
_
F
s
u
A
Q
p
t
u
O
n
A
2
L
E
0
1
0
1
0
1
0
1
S
_
F
1
0
L
E
0
0
0
0
1
1
1
1
S
_
F
0
Q
2
5
4
2
2
5
4
4
,
÷
÷
÷
÷
÷
÷
÷
÷
A
Q
n
A
Q
0
B
Q
n
B
Q
2
2
2
4
5
4
5
4
÷
÷
÷
÷
÷
÷
÷
÷
相关PDF资料
PDF描述
ICS87951-147I LOW SKEW, 1-TO-9 DIFFERENTIAL-TOLVCMOS ZERO DELAY BUFFER
ICS87951AYI-147 LOW SKEW, 1-TO-9 DIFFERENTIAL-TOLVCMOS ZERO DELAY BUFFER
ICS87951AYI-147LF LOW SKEW, 1-TO-9 DIFFERENTIAL-TOLVCMOS ZERO DELAY BUFFER
ICS87951AYI-147LFT LOW SKEW, 1-TO-9 DIFFERENTIAL-TOLVCMOS ZERO DELAY BUFFER
ICS87951AYI-147T LOW SKEW, 1-TO-9 DIFFERENTIAL-TOLVCMOS ZERO DELAY BUFFER
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