MAX14955 Datasheet, PDF (3/19 Pages) Maxim Integrated Products – Computer on Modules

MAX14955
Single-Lane PCIe Gen III Redriver
with Equalization and Extended
Temperature Operation
Electrical Characteristics (continued)
(V_CC = +3.0V to +3.6V, C_CL = 200nF coupling capacitor on each output, R_L = 50Ω on each output, T_A = -40°C to +85°C, unless otherwise
noted. Typical values are at V_CC = +3.3V and T_A = +25°C.) (Note 3)
PARAMETER
Standby Current
Differential Input Impedance
Differential Output Impedance
Common-Mode Resistance to
GND, Input Termination Not
Powered
SYMBOL
I_STBY EN = GND
Z_{RX-DIFF- DC}
DC
Z_{TX-DIFF- DC}
DC
CONDITIONS
OEQ_2 = OEQ_1 = OEQ_0
= GND
OEQ_2 = OEQ_1 = GND,
OEQ_0 = V_CC
OEQ_2 = OEQ_0 = GND,
OEQ_1 = V_CC
OEQ_2 = GND, OEQ_1 =
OEQ_0 = V_CC
OEQ_2 = V_CC, OEQ_1 =
OEQ_0 = GND
OEQ_2 = OEQ_0 = V_CC,
OEQ_1 = GND
OEQ_2 = OEQ_1 = V_CC,
OEQ_0 = GND
OEQ_2 = OEQ_1 = OEQ_0
= V_CC
Z_RX-HIGH-
IMP-DC
-150mV ≤ V_{IN_CM} ≤ +200mV
MIN TYP MAX UNITS
57
80
61
85
62
85
75
100
mA
62
80
85
110
92
120
120 150
80
100 120
Ω
80
100 120
Ω
50
kΩ
Common-Mode Resistance to
GND, Input Termination Powered
Z_RX-DC
20
25
30
Ω
Output Short-Circuit Current
Common-Mode Delta, Between
Active and Idle States
DC Output Offset, During Active
State
DC Output Offset, During
Electrical Idle
I_TX-SHORT Single-ended (Note 4)
V_TX-CM-DC-
ACTIVE-IDLE-
DELTA
V_TX-
ACTIVE-
DIFF-DC
|(V_{OUT_P} - V_{OUT_M})|
V_TX-IDLE-
DIFF-DC
|(V_{OUT_P} - V_{OUT_M})|
90
mA
100
mV
65
mV
65
mV
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