±1 5 k V ES D-P ro t e c t e d , 1 µA, 1 Mb p s , 3 .0 V t o 5 .5 V,
RS -2 3 2 Tra n s c e ive rs w it h Au t o S h u t d o w n P lu s
TIMING CHARACTERISTICS—MAX3224E/MAX3226E/MAX3244E
(V = +3V to +5.5V, C1–C4 = 0.1µF, tested at 3.3V ±10%; C = 0.047µF, C2–C4 = 0.33µF, tested at 5.0V ±10%; T = T
to T
,
CC
L
A
MIN
MAX
E
unless otherwise noted. Typical values are at T = +25°C.)
A
PARAMETER
SYMBOL
CONDITIONS
= 3kΩ, C = 1000pF,
MIN
TYP
MAX
UNITS
R
L
L
Maximum Data Rate
250
kbps
one transmitter switching
t
t
0.15
0.15
200
200
100
50
PHL
Receiver Propagation Delay
R_IN to R_OUT, C = 150pF
L
µs
PLH
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Skew
Normal operation (MAX3244E only)
Normal operation (MAX3244E only)
(Note 3)
ns
ns
ns
ns
t
t
- t
PHL PLH
- t
Receiver Skew
PHL PLH
C
= 150pF
L
V
= 3.3V, T = +25°C,
A
= 3kΩ to 7kΩ,
CC
6
4
30
30
to 1000pF
R
L
Transition-Region Slew Rate
V/µs
measured from +3V to -3V
or -3V to +3V
C
= 150pF
L
to 2500pF
TIMING CHARACTERISTICS—MAX3225E/MAX3227E/MAX3245E
(V = +3V to +5.5V, C1–C4 = 0.1µF, tested at 3.3V ±10%; C = 0.047µF, C2–C4 = 0.33µF, tested at 5.0V ±10%; T = T
to T
,
CC
L
A
MIN
MAX
unless otherwise noted. Typical values are at T = +25°C.)
A
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
R
= 3kΩ, C = 1000pF,
L
L
250
one transmitter switching
V
= 3.0V to 4.5V, R = 3kΩ,
= 250pF, one transmitter switching
CC
L
Maximum Data Rate
1000
1000
kbps
C
L
V
= 4.5V to 5.5V, R = 3kΩ,
L
= 1000pF, one transmitter switching
CC
C
L
t
t
0.15
0.15
200
200
25
PHL
PLH
Receiver Propagation Delay
R_IN to R_OUT, C = 150pF
L
µs
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Skew
Normal operation (MAX3245E only)
Normal operation (MAX3245E only)
(Note 3)
ns
ns
ns
ns
t
t
- t
PHL PLH
- t
Receiver Skew
50
PHL PLH
V
CC
= 3.3V, T = +25°C,
A
Transition-Region Slew Rate
R
L
= 3kΩ to 7kΩ, C = 150pF to 1000pF,
24
150
V/µs
L
measured from +3V to -3V or -3V to +3V
Note 2: A transmitter/receiver edge is defined as a transition through the transmitter/receiver input logic thresholds.
Note 3: Transmitter skew is measured at the transmitter zero cross points.
–7E/MAX3245
4
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MAXIM [ MAXIM INTEGRATED PRODUCTS ]
