DS125DF1610 Datasheet, PDF (10/81 Pages) Texas Instruments – 9.8 to 12.5 Gbps 16-Channel Retimer

DS125DF1610
SNLS482A – APRIL 2014 – REVISED DECEMBER 2015
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Electrical Characteristics (continued)
Over operating free-air temperature range (unless otherwise noted)
SYMBOL
PARAMETER
CONDITIONS
MIN
RX INPUTS
R_RD
V_RX-IN
DC Input Resistance
80
Input Differential Voltage
Differential voltage seen
at the high speed input
terminals ⁽¹⁾
V_SDAT
Signal Detect Assert
Threshold
Default setting
1T pattern, 12.5 Gbps
Default setting
PRBS-31, 12.5 Gbps
V_SDDT
Signal Detect De-Assert
Threshold
Default setting
1T pattern, 12.5 Gbps
Default setting
PRBS-31, 12.5 Gbps
V_cm-RX
TX OUTPUTS
V_OD
ΔV_OD
ΔV_ODVT
T_Rd
t_r, t_f
I_OS
Input common mode
Internal coupling cap
V_RX-IN / 4
drv_sel_vod[5:0] = 31,
DEM, FIR = default
725
Output Differential Voltage
drv_sel_vod[5:0] = 15,
DEM, FIR = default
350
Step Size for drv_sel_vod Default DEM, and FIR
Control
settings
Change in Output
Differential Voltage due to
Change in Temperature
and Voltage
Output Differential
Resistance
Output Rise/Fall Time
20% - 80% using 8T
Pattern, fir_sel_edge =
default
Output Short Circuit
Current
Differential Driver Output
Pin Short to GND
(1) Parameter is not tested at final production
TYP
100
110
24
70
21
935
470
50
<15
100
35
-16
MAX
120
1600
UNIT
Ω
mV_PP
mV_PP
mV_PP
VDD - (V_RX-
IN^{/ 4)}
V
1135
595
mV_PP
mV_PP
mV_PP
Ω
ps
mA
10
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