
4 ______________________________________________________________________________________
MAX9249
Gigabit Multimedia Serial Link
Serializer with LVDS System Interface
DC ELECTRICAL CHARACTERISTICS (continued)
(V
DVDD
= V
AVDD
= 1.7V to 1.9V, V
LVDSVDD
= 3.0V to 3.6V, V
IOVDD
= 1.7V to 3.6V, R
L
= 100I ±1% (differential), T
A
= -40NC to
+105NC, unless otherwise noted. Differential input voltage |V
ID
| = 0.1V to 1.2V, input common-mode voltage V
CM
= |V
ID
/2| to 2.4V
- |V
ID
/2|. Typical values are at V
DVDD
= V
AVDD
= V
IOVDD
= 1.8V, V
LVDSVDD
= 3.3V, T
A
= +25NC.)
AC ELECTRICAL CHARACTERISTICS
(V
DVDD
= V
AVDD
= 1.7V to 1.9V, V
IOVDD
= 1.7V to 3.6V, R
L
= 100I ±1% (differential), T
A
= -40NC to +105NC, unless otherwise
noted. Differential input voltage |V
ID
| = 0.15V to 1.2V, input common-mode voltage V
CM
= |V
ID
/2| to 2.4V - |V
ID
/2|. Typical values are
at V
DVDD
= V
AVDD
= V
IOVDD
= 1.8V, V
LVDSVDD
= 3.3V, T
A
= +25NC.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input Differential Termination
Resistance
R
TERM
85 110 135
I
Input Current I
IN+
, I
IN-
PWDN = high or low, IN+ and IN- are shorted
-25 +25
FA
Power-Off Input Current I
IN0+
, I
IN0-
V
AVDD
= V
DVDD
= V
IOVDD
= 0V -40 +40
FA
POWER SUPPLY
Worst-Case Supply Current
(Figure 4)
I
WCS
BWS = GND
f
RXCLKIN_
= 16.6MHz 125 165
mA
f
RXCLKIN_
= 33.3MHz 135 175
f
RXCLKIN_
= 66.6MHz 150 190
f
RXCLKIN_
= 104MHz 175 220
Sleep-Mode Supply Current I
CCS
LVDS inputs are not driven 45 125
FA
Power-Down Supply Current I
CCZ
PWDN = GND, LVDS inputs are not driven
5 80
FA
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
CLOCK INPUT (RXCLKIN_)
Clock Frequency f
RXCLKIN_
BWS = GND, V
DRS
= V
IOVDD
8.33 16.66
MHz
BWS = GND, DRS = GND 16.66 104
V
BWS
= V
IOVDD
, V
DRS
= V
IOVDD
6.25 12.5
V
BWS
= V
IOVDD
, DRS = GND 12.5 78
I
2
C/UART PORT TIMING (Note 3)
Output Rise Time t
R
30% to 70%, C
L
= 10pF to 100pF,
1kI pullup to IOVDD
20 150 ns
Output Fall Time t
F
70% to 30%, C
L
= 10pF to 100pF,
1kI pullup to IOVDD
20 150 ns
Input Setup Time t
SET
I
2
C only (Figure 5) 100 ns
Input Hold Time t
HOLD
I
2
C only (Figure 5) 0 ns
SWITCHING CHARACTERISTICS (Note 3)
Differential Output Rise/Fall Time t
R
, t
F
20% to 80%, V
OD
≥ 400mV, R
L
= 100I,
serial-bit rate = 3.125Gbps (Note 3)
90 150 ps
Total Serial Output Jitter t
TSOJ1
3.125Gbps PRBS signal, measured at V
OD
= 0V differential, preemphasis disabled
(Figure 6)
0.25 UI
Deterministic Serial Output Jitter t
DSOJ2
3.125Gbps PRBS signal 0.15 UI
CNTL_ Input Setup Time t
SET
CNTL_ (Figure 7) 3 ns
CNTL_ Input Hold Time t
HOLD
CNTL_ (Figure 7) 1.5 ns
RXIN_ _ Skew Margin t
RSKM
Figure 8 0.3 UI
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