MV78200 Datasheet, PDF (110/128 Pages) –

MV78200
Hardware Specifications
9.7.2
PCI Express (PCIe) Interface Electrical Characteristics
9.7.2.1
PCI Express Interface Driver and Receiver Characteristics
Table 59: PCI Express Interface Driver and Receiver Characteristics
Baud rate
Unit interval
Baud rate tolerance
De s cr iption
Differential peak to peak output voltage
Minimum TX eye w idth
Differential return loss
Common mode return loss
DC differential TX impedance
Differential input peak to peak voltage
Minimum receiver eye w idth
Differential return loss
Common mode return loss
DC differential RX impedance
DC common input impedance
Sym bol
BR
UI
Bppm
Driver parameters
VTXpp
TTXeye
TRLdif f
TRLcm
ZTXdif f
Receiver parameters
VRXpp
TRXeye
RRLdif f
RRLcm
ZRXdif f
ZRXcm
M in
M ax
2.5
400.0
-300.0 300.0
0.8
1.2
0.75
-
10.0
-
6.0
-
80.0
120.0
0.175
0.4
10.0
6.0
80.0
40.0
1.2
-
-
-
120.0
60.0
Units
Gbps
ps
ppm
V
UI
dB
dB
Ohm
V
UI
dB
dB
Ohm
Ohm
Note s
-
-
2
-
-
1
1
-
-
-
1
1
-
-
Note s :
General Comment: For more information, refer to the PCI Express Base Specification, Revision 1.1, March, 2005.
1. Def ined f rom 50 MHz to 1.25 GHz.
2. Does not account for SSC dictated variations.
MV-S104671-U0 Rev. C
Page 110
Document Classification: Proprietary Information
Copyright © 2008 Marvell
December 6, 2008, Preliminary