DS80PCI402 Datasheet, PDF (7/39 Pages) Texas Instruments – 2.5 Gbps / 5.0 Gbps / 8.0 Gbps 4 Lane PCI Express Repeater with Equalization and De-Emphasis

Symbol
Parameter
Conditions
Min
CML Receiver Inputs (IN_n+, IN_n-)
RL_rx-diff
RX Differential return 0.05 - 1.25 GHz
loss
1.2 - 2.5 GHz
2.5 - 4.0 GHz
RLrx-cm
RX Common mode
return loss
0.05 - 2.5 GHz
2.5 - 4.0 GHz
Zrx-dc
RX DC common mode Tested at VDD = 2.5 V
40
impedance
Zrx-diff-dc
RX DC differntial mode Tested at VDD = 2.5 V
80
impedance
Vrx-diff-dc
Differential RX peak to Tested at pins
0.6
peak voltage (VID)
Zrx-high-imp-
dc-pos
DC Input common
mode impedance for
V>0
VID = 0 to 200mV,
ENSMB = 0, RXDET = 0,
VDD = 2.5 V
Vrx-signal-det- Signal detect assert
diff-pp
level for active data
signal
SD_TH = F (float),
0101 pattern at 8 Gbps
Vrx-idle-det-
diff-pp
Signal detect de-assert SD_TH = F (float),
level for electrical idle 0101 pattern at 8 Gbps
Typ
Max
Units
-16
dB
-16
dB
-14
dB
-12
dB
-8
dB
50
60
Ω
100
120
Ω
1.0
1.2
V
50
KΩ
180
mVp-p
110
mVp-p
7
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