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VSC7440 데이터시트(PDF) 400 Page - Microsemi Corporation

부품명 VSC7440
상세설명  L2/L3 Enterprise Gigabit Ethernet Switch with 10 Gbps Links
PDF  444 Pages
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제조업체  MICROSEMI [Microsemi Corporation]
홈페이지  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC7440 데이터시트(HTML) 400 Page - Microsemi Corporation

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Electrical Specifications
VMDS-10492 VSC7440 Datasheet Revision 4.2
383
6.2.5
SERDES10G
This section describes the AC specifications for the SERDES10G transceiver. The transceiver supports
the following modes:
•
100BASE-FX
•SGMII
•SFP
•
1000BASE-KX
•2.5G
•
10GBASE-KR
•SFP+ (SFI)
The following table lists the AC characteristics for the 10G transmitter in 100BASE-FX, SGMII, SFP,
2.5G, and 1000BASE-KX modes. Applies to the S[10:7]_TXN/P pins. Note that only S[10:9]_TXN/P pins
support 10GBASE-KR and SFP+ (SFI).
The following table lists the AC characteristics for the 10G receiver operating in 100BASE-FX, SGMII,
SFP, 2.5G, and 1000BASE-KX modes. Applies to the S[10:7]_RXN/P pins. Note that only S[10:9]_RXN/P
pins support 10GBASE-KR and SFP+ (SFI).
Table 297 •
100BASE-FX, SGMII, SFP, 2.5G, 1000BASE-KX Transmitter
Parameter
Symbol
Minimum
Maximum
Unit
Condition
Data rate
125 – 100 ppm
125 + 100 ppm
Mbps
100BASE-FX.
Data rate
1.25 – 100 ppm
1.25 + 100 ppm
Gbps
SGMII, SFP, 1000BASE-
KX.
Data rate
3.125 – 100 ppm 3.125 + 100 ppm Gbps
2.5G.
Differential output return loss
RLOSDD22
–10
dB
50 MHz to 625 MHz.
Differential output return loss
RLOSDD22
–10 + 10 x log
(ƒ/625 MHz)
dB
625 MHz to 1250 MHz.
Rise time and fall time1
1.
Slew rate is programmable.
tR, tF
60
320
ps
20% to 80%.
Interpair skew
tSKEW
20
ps
Random jitter
RJ
0.15
UIP-P
At BER 10–12.
Deterministic jitter
DJ
0.10
UIP-P
Total jitter
TJ
0.25
UIP-P
Wideband SyncE jitter
TWJ
0.5
UIP-P
Measured according to
ITU-T G.8262, section 8.3.
Eye mask
X1
0.125
UI
Eye mask
X2
0.325
UI
Eye mask
Y1
3802
2.
Compatibility to supported standards require VDD_HS = 1.2 V supply for driver.
mV
Eye mask
Y2
800
mV
Table 298 •
100BASE-FX, SGMII, SFP, 2.5G, 1000BASE-KX Receiver
Parameter
Symbol Minimum
Typical
Maximum
Unit
Condition
Data rate
125 – 100 ppm
125 + 100 ppm
Mbps
100BASE-FX.
Data rate
1.25 – 100 ppm
1.25 + 100 ppm
Gbps
SGMII, SFP, 1000BASE-KX.
Data rate
3.125 – 100 ppm
3.125 + 100 ppm
Gbps
2.5G



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