±15kV ESD-Protected, EMC-Compliant, 230kbps
RS-232 Serial Port for Motherboards/Desktop PCs
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +4.5V to +5.5V, V
DD
= +10.8V to +13.2V, V
SS
= -10.8V to -13.2V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C.)
PARAMETER
ESD CHARACTERISTICS
Human Body Model
ESD Protection
TIMING CHARACTERISTICS
Transmitter Output
Propagation Delay, Low to High
Transmitter Output
Propagation Delay, High to Low
Transmitter Propagation Delay
Skew,
|
t
PLHT
- t
PHLT
|
t
PLHT
t
PHLT
t
SKT
V
DD
= 12V, V
SS
= -12V, R
L
= 3kΩ,
C
L
= 1000pF, T
A
= +25°C
V
DD
= 12V, V
SS
= -12V, R
L
= 3kΩ,
C
L
= 1000pF, T
A
= +25°C
V
DD
= 12V, V
SS
= -12V, R
L
= 3kΩ,
C
L
= 1000pF, T
A
= +25°C
V
DD
= 12V, V
SS
= -12V,
R
L
= 3kΩ to 7kΩ,
measured from +3V to -3V
or -3V to +3V, Figure 3,
T
A
= +25°C
C
L
= 150pF to
2500pF
C
L
= 50pF to
1000pF
4
8
4
4
0.4
30
V/µs
30
4.0
4.0
0.4
120
kbps
C
L
= 50pF to
1000pF
230
±7.5
V
µs
µs
µs
µs
µs
µs
IEC1000-4-2 (Contact Discharge)
IEC1000-4-2 (Air-Gap Discharge)
±15
±8
±15
kV
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX3185
Transition Output Slew Rate
SR
Receiver Output
Propagation Delay, Low to High
Receiver Output
Propagation Delay, High to Low
Receiver Propagation Delay
Skew,
|
t
PLHR
- t
PHLR
|
t
PLHR
t
PHLR
t
SKR
V
CC
= 5V, C
L
= 50pF, T
A
= +25°C
V
CC
= 5V, C
L
= 50pF, T
A
= +25°C
V
CC
= 5V, C
L
= 50pF, T
A
= +25°C
V
CC
= 5V, V
DD
= 12V,
V
SS
= -12V,
R
L
= 3kΩ to 7kΩ,
T
A
= +25°C
C
L
= 50pF to
2500pF
Guaranteed Data Rate
DR
Mouse Driveability
T3OUT = -5mA, T1OUT = T2OUT = +5mA
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
