DS80PCI102_15 Datasheet, PDF (6/46 Pages) Texas Instruments – 2.5-Gbps / 5.0-Gbps / 8.0-Gbps 1-Lane PCI-Express Repeater With Equalization and De-Emphasis

DS80PCI102
SNLS344G – JULY 2011 – REVISED AUGUST 2015
6.4 Electrical Characteristics
PARAMETER
TEST CONDITIONS
POWER
IDD
Supply Current
VIN = 3.3-V supply,
EQ = Enabled, RXDET = 1,
VOD = 1.0 Vp-p,
PRSNT = LOW
VIN = 3.3-V supply,
PRSNT = HIGH
VDD = 2.5 V,
PRSNT = HIGH
LVCMOS / LVTTL DC SPECIFICATIONS
V_IH25
High-level input voltage
(READ_EN pin)
2.5-V Mode
V_IH33
High-level input voltage
(READ_EN pin)
3.3-V Mode
V_IH
High Level Input Voltage
(PRSNT pin)
2.5-V Mode
3.3-V Mode
V_IL
Low Level Input Voltage
V_OH
High Level Output Voltage (DONE pin) I_OH = −4 mA
V_OL
Low Level Output Voltage (DONE pin) I_OL = 4 mA
Input High Current (PRSNT pin)
VIN Supply = 3.6 V,
I_IH
Input High Current with internal
resistors
Input = 3.6 V
(4–level input pin)
Input Low Current (PRSNT pin)
VIN = 3.6 V,
I_IL
Input Low Current with internal
resistors
Input = 0 V
(4–level input pin)
CML RECEIVER INPUTS (IN_N+, IN_N-)
0.05 to 1.25 GHz
RL_RX-DIFF
RX Differential return loss
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
V_RX-DIFF-DC
RX DC single-ended impedance
RX DC differential mode impedance
VID - Differential RX peak to peak
input voltage
VDD = 2.5 V
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-SIGNAL-DET-} Signal detect assert level for active
DIFF-PP
data signal
SD_TH = Float,
0101 pattern at 8 Gbps
Measured at pins
V_RX-IDLE-DET-
DIFF-PP
Signal detect deassert level for
electrical idle
SD_TH = Float,
0101 pattern at 8 Gbps
Measured at pins
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MIN TYP MAX UNIT
50
63
mA
9
12 _mA
6
9 _mA
2.0
2.0
0.9 × VDD
0.9 × VIN
0
2.0
–15
+20
–15
–160
VDD
V
VIN
V
VDD
V
VIN
0.7 V
V
0.4 V
15 µA
80
µA
15 µA
-40
µA
–16
dB
–16
dB
–14
dB
–12
dB
–8
dB
40
50
60 Ω
80
100
120 Ω
1.2
V
50
kΩ
180
mVp-p
110
mVp-p
6
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