3.0V to 5.5V, Low -Pow e r, up to 1Mbps , True RS-232
Tra ns c e ive rs Us ing Four 0.1µF Exte rna l Ca pa c itors
7/MAX3241
ELECTRICAL CHARACTERISTICS (continued)
(V = +3.0V to +5.5V, C1–C4 = 0.1µF (Note 2), T = T
to T , unless otherwise noted. Typical values are at T = +25°C.)
MAX A
CC
A
MIN
PARAMETER
CONDITIONS
MIN
TYP
0.3
5
MAX
UNITS
V
Input Hysteresis
Input Resistance
T
A
= +25°C
3
7
kΩ
TRANSMITTER OUTPUTS
Output Voltage Swing
Output Resistance
All transmitter outputs loaded with 3kΩ to ground
= V+ = V- = 0V, T = ±2V
±5.0
300
±5.4
V
Ω
V
CC
10M
±35
OUT
Output Short-Circuit Current
±60
±25
mA
V
OUT
= ±12V, V = 0V or 3V to 5.5V, transmitters
CC
Output Leakage Current
µA
disabled
MOUSE DRIVEABILITY (MAX3241)
T1IN = T2IN = GND, T3IN = V
,
CC
Transmitter Output Voltage
T3OUT loaded with 3kΩ to GND,
T1OUT and T2OUT loaded with 2.5mA each
±5.0
V
TIMING CHARACTERISTICS—MAX3222/MAX3232/MAX3241
(V = +3.0V to +5.5V, C1–C4 = 0.1µF (Note 2), T = T
to T , unless otherwise noted. Typical values are at T = +25°C.)
MAX A
CC
A
MIN
PARAMETER
CONDITIONS
= 3kΩ, C = 1000pF, one transmitter switching
MIN
TYP
235
0.3
MAX
UNITS
Maximum Data Rate
R
120
kbps
L
L
t
t
PHL
PLH
Receiver Propagation Delay
R_IN to R_OUT, C = 150pF
µs
L
0.3
Receiver Output Enable Time Normal operation
Receiver Output Disable Time Normal operation
200
200
300
300
ns
ns
ns
ns
Transmitter Skew
Receiver Skew
| t
| t
- t
|
|
PHL PLH
- t
PHL PLH
C
= 150pF to
L
6
4
30
30
V
= 3.3V, R = 3Ω to 7kΩ,
L
CC
1000pF
Transition-Region Slew Rate
+3V to -3V or -3V to +3V,
= +25°C
V/µs
C
= 150pF to
L
T
A
2500pF
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
