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PDF RTM875N-397 Data sheet ( Hoja de datos )
| Número de pieza | RTM875N-397 | |
| Descripción | AC Performance Measurement Report | |
| Fabricantes | RealTek | |
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RTM875N-397 AC Performance Measurement Report
Measurement Equipment :
Clock Rise Time / Fall Time Are Measured by Tektronix® 6804B with Single-ended
Probe
- Mainframe with 8.0GHz Bandwidth
- Mainframe with 20GS/s Sampling Rate
- P7240 Active Probe with 4.0GHz Bandwidth (input: 1.0pF / 20K-ohm)
Clock Jitter & Duty Cycle Are Measured by Tektronix® 6804B with Differential Probe
- P7330 Differential Active Probe with 3.5GHz Bandwidth (input: 0.5pF / 100K-ohm)
- Tektronix® Jitter Analysis 3® Jitter Measurement Software
Measurement Environment :
- Test board
Measurement Item :
Differential Clock
- Slew_Rise & Slew_Fall
- Vcross & ΔVcross
- Cycle to Cycle jitter
- Vmax & Vmin
- Duty Cycle
Single-end Clock
- Slew_Rise & Slew_Fall
- Duty Cycle
- Cycle to Cycle jitter
-
Measurement Summary
From the measurement shown as follows, RTM875N-397 works good and meets all CLK Spec.
Measurement Signal:
1.CPU0 CLOCK
4.PCIE6 CLOCK
7.PCI CLOCK
10.Phase jitter
2. CPU1 CLOCK
5.PCIE11 CLOCK
8.USB CLOCK
3.SATA CLOCK
6. DOT96 CLOCK
9. REF CLOCK
Dat
1 page  
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1. CPU0 CLOCK
Specification
Measured Result
Specification
Measured Result
Slew_Rise
2.5~8 V/ns
See #1
3.519 V/ns
Vmax
< 1.15V
See #4
0.890 V
Slew_Fall
2.5~8 V/ns
See #1
3.716 V/ns
Vmin
> -0.3V
See #4
-0.023 V
Vcross
300~550 mV
See #3
392 ~ 428 mV
Duty Cycle
45%~55%
See #2
50.81 %
ΔVCROSS
ΔVCROSS <140 mV
See #3
36 mV
C-C jitter
< 85 ps
See #2
42 ps
Slew_Rise & Slew_Fall
Cycle to Cycle jitter & Duty Cycle
Vcross & ΔVcross
Vmax & Vmin
Datasheet pdf - http://www.DataSheet4U.net/
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7.PCI1 CLOCK
Specification
Measured Result
Slew_Rise
1~4 V/ns
See #1
1.56 V/ns
Slew_Fall
1~4 V/ns
See #1
1.32 V/ns
Duty Cycle
45%~55%
50.81 %
C-C jitter
< 500 ps
See #2
196 ps
Slew_Rise & Slew_Fall
8.USB CLOCK
Specification
Measured Result
Slew_Rise
1~2 V/ns
See #1
2.01 V/ns
Slew_Fall
1~2 V/ns
See #1
2.29 V/ns
Cycle to Cycle jitter & Duty Cycle
Duty Cycle
45%~55%
50.65 %
C-C jitter
< 350 ps
See #2
85 ps
Slew_Rise & Slew_Fall
Cycle to Cycle jitter & Duty Cycle
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet RTM875N-397.PDF ] | |
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