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参数资料
| 型号： | 011AL |
| 英文描述： | FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR |
| 中文描述： | FEMTOCLOCKS -商标晶体至3.3V的LVPECL时钟发生器 |
| 文件页数： | 1/13页 |
| 文件大小： | 231K |
| 代理商： | 011AL |
843011AG
www.icst.com/products/hiperclocks.html
REV. B DECEMBER 10, 2004
1
Integrated
Circuit
Systems, Inc.
ICS843011
FEMTOCLOCKSCRYSTAL-TO-
3.3V LVPECL CLOCK GENERATOR
GENERAL DESCRIPTION
The ICS843011 is a Fibre Channel Clock Generator
and a member of the HiPerClocksTM family of high
performance devices from ICS. The ICS843011
uses a 26.5625MHz crystal to synthesize
106.25MHz or a 25MHz crystal to synthesize
100MHz. The ICS843011 has excellent <1ps phase jitter
performance, over the 637KHz – 10MHz integration range. The
ICS843011 is packaged in a small 8-pin TSSOP, making it ideal
for use in systems with limited board space.
FEATURES
1 differential 3.3V LVPECL output
Crystal oscillator interface designed for 26.5625MHz
18pF parallel resonant crystal
Output frequency: 106.25MHz or 100MHz
VCO range: 560MHz - 680MHz
RMS phase jitter @ 100MHz, using a 25MHz crystal
(637KHz - 10MHz): 0.80ps (typical)
RMS phase noise at 106.25MHz
Phase noise:
Offset
Noise Power
100Hz ............... -92.8 dBc/Hz
1KHz .............. -119.6 dBc/Hz
10KHz .............. -129.5 dBc/Hz
100KHz .............. -130.5 dBc/Hz
3.3V operating supply
Lead-Free package fully RoHS compliant
-40°C to 85°C ambient operating temperature
HiPerClockS
ICS
FREQUENCY TABLE
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H
M
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C)
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H
M
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y
c
n
e
u
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5
2
6
5
.
6
25
2
.
6
0
1
5
20
0
1
ICS843011
8-Lead TSSOP
4.40mm x 3.0mm x 0.925mm package body
G Package
Top View
VCCA
VEE
XTAL_OUT
XTAL_IN
1
2
3
4
VCC
Q0
nQ0
nc
8
7
6
5
OSC
Phase
Detector
VCO
637.5MHz w/
26.5625MHz Ref.
M = ÷24 (fixed)
÷6
BLOCK DIAGRAM
PIN ASSIGNMENT
nQ0
Q0
XTAL_IN
XTAL_OUT
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