Datasheet
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MAX9257A/MAX9258A
Fully Programmable Serializer/Deserializer
with UART/I
2
C Control Channel
MAX9258A DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC_
= +3.0V to +3.6V, V
CCIO
= +1.71V to +3.6V, R
L
= 50I Q1%, differential input voltage |V
ID
| = 0.05V to 1.2V, input common-
mode voltage V
CM
= |V
ID
/2| to V
CC
- |V
ID
/2|, T
A
= -40NC to +105NC, unless otherwise noted. Typical values are at V
CC_
= +3.3V, |V
ID
|
= 0.2V, V
CM
= 1.2V, T
A
= +25NC) (Notes 2, 3)
MAX9258A AC ELECTRICAL CHARACTERISTICS
(V
CC_
= +3.0V to +3.6V, V
CCIO
= +1.71V to +3.6V, R
L
= 50I Q1%, C
L
= 8pF, differential input voltage |V
ID
| = 0.1V to 1.2V, input
common-mode voltage V
CM
= |V
ID
/2| to V
CC
- |VID/2|, T
A
= -40NC to +105NC, unless otherwise noted. Typical values are at V
CC_
=
+3.3V, |V
ID
| = 0.2V, V
CM
= 1.2V, T
A
= +25NC) (Notes 5, 6 and 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
POWER SUPPLY
Worst-Case Supply Current
C
L
= 8pF, 12 bits
(Figure 8)
I
CCW
Q4% spread, PRATE = 60MHz,
SRATE = 840Mbps
95 135
mA
Spread off, PRATE = 60MHz,
SRATE = 840Mbps
80 120
Q4% spread, PRATE = 28.57MHz,
SRATE = 400Mbps
67 102
Spread off, PRATE = 28.57MHz,
SRATE = 400Mbps
57
84
Q4% spread, PRATE = 14.29MHz,
SRATE = 200Mbps
55 82
Spread off, PRATE = 14.29MHz,
SRATE = 200Mbps
46 67
Q4% spread, PRATE = 5MHz,
SRATE = 70Mbps
42 57
Spread off, PRATE = 5MHz,
SRATE = 70Mbps
34 49
Power-Down Supply Current I
CCZ
PD = low
10 50
FA
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SWITCHING CHARACTERISTICS
Output Transition Time t
R,
t
F
(Figure 9) 0.7 2.2 ns
Output Transition Time,
PCLK_OUT
t
R,
t
F
(Figure 9) 0.5 1.5 ns
Output Transition Time t
R,
t
F
V
CCOUT
= 1.71V (Figure 9) 1.0 2.8 ns
Output Transition Time,
PCLK_OUT
t
R,
t
F
V
CCOUT
= 1.71V (Figure 9) 0.7 2.2 ns
Control Channel Transition Time
t
R1A,
t
F1A,
t
R1B,
t
F1B
(Figure 16) 0.5 1.2 ns
Control Channel Transition Time t
R2,
t
F2
(Figure 16) 0.6 1.3 ns
PCLK_OUT High Time t
HIGH
(Figure 10) 0.4 x t
T
0.6 x t
T
ns
PCLK_OUT Low Time t
LOW
(Figure 10) 0.4 x t
T
0.6 x t
T
ns