MAX9257/MAX9258
_______________________________________________________________________________________ 7
Fully Programmable Serializer/Deserializer
with UART/I
2
C Control Channel
MAX9258 DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC_
= +3.0V to +3.6V, R
L
= 50Ω ±1%, 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
= -40°C to +105°C, unless otherwise noted. Typical values are at V
CC_
= +3.3V, |V
ID
| = 0.2V, V
CM
= 1.2V,
T
A
= +25°C.) (Notes 2, 3)
SYMBOL
MIN TYP MAX UNITS
V
HYST+
Differential low-to-high threshold 25 90
135
Input Hysteresis
(Figure 2)
V
HYST-
Differential high-to-low threshold -25 -90
-135
mV
POWER SUPPLY
±4% spread, PRATE = 60MHz,
SRATE = 840Mbps
85
128
Spread off, PRATE = 60MHz,
SRATE = 840Mbps
71
115
±4% spread, PRATE = 28.57MHz,
SRATE = 400Mbps
67
102
Spread off, PRATE = 28.57MHz,
SRATE = 400Mbps
57 84
±4% spread, PRATE = 14.29MHz,
SRATE = 200Mbps
55 82
Spread off, PRATE = 14.29MHz,
SRATE = 200Mbps
46 67
±4% spread, PRATE = 5MHz,
SRATE = 70Mbps
42 57
Worst-Case Supply Current
C
L
= 8pF, 12 bits
(Figure 8)
I
CCW
Spread off, PRATE = 5MHz,
SRATE = 70Mbps
34 49
mA
Power-Down Supply Current I
CCZ
PD = low 10 50 µA
MAX9258 AC ELECTRICAL CHARACTERISTICS
V
CC_
= +3.0V to +3.6V, R
L
= 50Ω ±1%, 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
- |V
ID
/2|, T
A
= -40°C to +105°C, unless otherwise noted. Typical values are at V
CC_
= +3.3V, |V
ID
| = 0.2V, V
CM
=
1.2V, T
A
= +25°C. (Notes 5, 6, and 7)
SYMBOL
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
0.6 x
t
T
ns
PCLK_OUT Low Time t
LOW
(Figure 10)
0.4 x
0.6 x
