DS80PCI402_15 Datasheet, PDF (7/54 Pages) Texas Instruments – 2.5-Gbps / 5.0-Gbps / 8.0-Gbps 4-Lane PCI-Express Repeater With Equalization and De-Emphasis

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6.5 Electrical Characteristics
PARAMETER
TEST CONDITIONS
POWER
PD
Power Dissipation
VDD = 2.5 V supply,
EQ Enabled,
VOD = 1.0 Vp-p,
RXDET = 1, PRSNT = 0
VIN = 3.3 V supply,
EQ Enabled,
VOD = 1.0 Vp-p,
RXDET = 1, PRSNT = 0
LVCMOS / LVTTL DC SPECIFICATIONS
V_IH25
High-level input voltage
(PRSNT, READ_EN pins)
2.5-V Mode
V_IH33
High-level input voltage
(PRSNT, READ_EN pins)
3.3-V Mode
V_IL
Low-Level Input Voltage
(PRSNT, READ_EN pins)
V_OH
High-level output voltage
I_OH = −4 mA
(ALL_DONE pin)
V_OL
Low-level output voltage
I_OL = 4 mA
(ALL_DONE pin)
I_IH
Input high current (PRSNT pin) VIN = 3.6 V,
Input high current with internal ^{LVCMOS = 3.6 V}
resistors (4–level input pin)
I_IL
Input low current (PRSNT pin) VIN = 3.6 V,
Input low current with internal ^{LVCMOS = 0 V}
resistors (4-level input pin)
CML RECEIVER INPUTS (IN_n+, IN_n-)
RL_RX-DIFF
RX differential return loss
0.05 to 1.25 GHz
1.25 to 2.5 GHz
2.5 to 4.0 GHz
RL_RX-CM
RX common mode return loss
0.05 to 2.5 GHz
2.5 to 4.0 GHz
Z_RX-DC
Z_RX-DIFF-DC
RX DC single-ended impedance Tested at VDD = 2.5 V
RX DC differential mode
impedance
Tested at VDD = 2.5 V
Z_RX-HIGH-IMP-
DC-POS
DC input common mode
impedance for V > 0
VID = 0 to 200 mV,
ENSMB = 0, RXDET = 0,
VDD = 2.5 V
V_RX-DIFF-DC
Differential RX peak-to-peak
voltage (VID)
Tested at pins
V_{RX-SIGNAL-DET-} Signal detect assert level for
DIFF-PP
active data signal
SD_TH = float,
0101 pattern at 8 Gbps
Measured at pins
V_RX-IDLE-DET-
DIFF-PP
Signal detect deassert level for SD_TH = float,
electrical idle
0101 pattern at 8 Gbps
Measured at pins
DS80PCI402
SNLS324E – APRIL 2011 – REVISED JANUARY 2015
MIN
TYP
MAX UNIT
500
700
mW
660
900
mW
2.0
2.0
0
2.0
–15
20
–15
–160
40
80
VDD
V
VIN
V
0.8
V
V
0.4
V
15
μA
150
μA
15
μA
–40
μA
–16
dB
–16
dB
–14
dB
–12
dB
–8
dB
50
60
Ω
100
120
Ω
50
kΩ
1.2
V
180
mVp-p
110
mVp-p
Copyright © 2011–2015, Texas Instruments Incorporated
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