参数资料
型号: SI5338N-AXXXXXGM
厂商: SILICON LABORATORIES
元件分类: 时钟产生/分配
英文描述: 700 MHz, PROC SPECIFIC CLOCK GENERATOR, QCC24
封装: 4 X 4 MM, ROHS COMPLIANT, MO-220VGGD-8, QFN-24
文件页数: 4/42页
文件大小: 380K
代理商: SI5338N-AXXXXXGM
Si5338
12
Rev. 1.0
Table 12. Jitter Specifications1,2,3
(VDD = 1.8 V –5% to +10%, 2.5 V ±10%, or 3.3 V ±10%, TA = –40 to 85 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
GbE Random Jitter
(12kHz–20MHz)4
JGbE
CLKIN = 25 MHz
All CLKn at 125 MHz5
0.7
1
ps RMS
GbE Random Jitter
(1.875–20 MHz)
RJGbE
CLKIN = 25 MHz
All CLKn at 125 MHz5
0.38
0.79
ps RMS
OC-12 Random Jitter
(12 kHz–5 MHz)
JOC12
CLKIN = 19.44 MHz
All CLKn at
155.52 MHz5
0.7
1
ps RMS
PCI Express 1.1 Common
Clocked
Total Jitter6
11.2
33.6
ps pk-pk
PCI Express 2.1 Common
Clocked
RMS Jitter6, 10 kHz to
1.5 MHz
0.49
1.47
ps RMS
RMS Jitter6, 1.5 MHz to
50 MHz
0.25
0.75
ps RMS
PCI Express 2.1 Data
Clocked
RMS Jitter6, 10 kHz to
1.5 MHz
0.65
1.95
ps RMS
RMS Jitter6, 1.5 MHz to
50 MHz
0.79
2.37
ps RMS
PCI Express 3.0 Common
Clocked
RMS Jitter6
0.15
0.45
ps RMS
PCI Express 3.0 Data
Clocked
RMS Jitter6
0.17
0.51
ps RMS
Period Jitter
JPER
N = 10,000 cycles7
10
30
ps pk-pk
Cycle-Cycle Jitter
JCC
N = 10,000 cycles
Output MultiSynth
operated in integer or
fractional mode7
9
29
ps pk8
Notes:
1. All jitter measurements apply for LVDS/HCSL/LVPECL output format with a low noise differential input clock and are
made with an Agilent 90804 oscilloscope. All RJ measurements use RJ/DJ separation.
2. For best jitter performance, keep the single ended clock input slew rates at Pins 3 and 4 more than 1.0 V/ns and the
differential clock input slew rates more than 0.3 V/ns.
3. All jitter data in this table is based upon all output formats being differential. When single-ended outputs are used, there
is the potential that the output jitter may increase due to the nature of single-ended outputs. If your configuration
implements any single-ended output and any output is required to have jitter less than 3 ps rms, contact Silicon Labs
for support to validate your configuration and ensure the best jitter performance. In many configurations, CMOS
outputs have little to no effect upon jitter.
4. DJ for PCI and GbE is < 5 ps pp
5. Output MultiSynth in Integer mode.
6. All output clocks 100 MHz HCSL format. Jitter is from the PCIE jitter filter combination that produces the highest jitter.
See AN562 for details.
7. Input frequency to the Phase Detector between 25 and 40 MHz and any output frequency > 5MHz.
8. Measured in accordance with JEDEC standard 65.
9. Rj is multiplied by 14; estimate the pp jitter from Rj over 212 rising edges.
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