Datasheet

SAS/SATA Single Lane 2:1/1:2 Multiplexer/
Demultiplexer Plus Redriver with Equalization
MAX4986
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.0V to +3.6V, C
CL
= 10nF coupling capacitor on each input and output, R
L
= 50I on each input and output, T
A
= 0NC to +70NC
(MAX4986C), T
A
= -40NC to +85NC (MAX4986E), unless otherwise noted. Typical values are at V
CC
= +3.3V and T
A
= +25NC.) (Note 2)
Note 2: MAX4986C devices are 100% production tested at T
A
= +70°C. MAX4986E devices are 100% production tested at T
A
=
+85°C. Specifications for all temperature limits are guaranteed by design.
Note 3: Guaranteed by design.
Note 4: Rise and fall times are measured using 20% and 80% levels.
Figure 1. Output Preemphasis
V
LOW_P-P
V
HIGH_P-P
V
HIGH_P-P
V
LOW_P-P
PE(dB) = 20log
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Output Preemphasis PE f = 1.5GHz, PE_ = 1, Figure 1 3 dB
Propagation Delay t
PD
300 ps
Output Transition Time t
TX-RF
f < 3.0GHz, PE_ = 0 (Notes 3, 4) 40 60 ps
Differential Output Skew Same
Pair
t
SK
10 ps
Deterministic Jitter t
DJ
K28.5Q pattern, PE_ = 0, EQ_ = 0 (Note 3)
20 ps
P-P
Random Jitter t
TX-RJ-DD
D10.2 pattern, PE_ = 0, EQ_ = 0 1 1.5 ps
RMS
OOB Squelch Threshold V
SQ-DIFF
f = 0.75GHz (Note 3)
MODE_ = 0 120 220
mV
P-P
MODE_ = 1 50 150
OOB Squelch Time t
OOB,SQ
f = 0.75GHz (Note 3) 5 10 ns
OOB Exit Time t
OOB,EX
f = 0.75GHz (Note 3) 5 10 ns
OOB Differential-Offset Delta
DV
OOB,DIFF
Difference between OOB and active-mode
output offset
-80 80 mV
OOB Common-Mode Delta
DV
OOB,CM
Difference between OOB and active-mode
output V
CM
-50 50 mV
OOB Output Disable V
OOB,OUT
OOB-disabled output level 30 mV
P-P
CONTROL LOGIC
Input Logic-High V
IH
1.4 V
Input Logic-Low V
IL
0.6 V
Input Logic Hysteresis V
HYST
0.1 V
Pullup/Pulldown Input Resistor R
UP/DOWN
330
kI