Datasheet

SPI/MICROWIRE-Compatible UART and ±15kV ESD-
Protected RS-232 Transceivers with Internal Capacitors
ELECTRICAL CHARACTERISTICS—MAX3110E (continued)
(V
CC
= +4.5V to +5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are measured for baud rate set to 9600baud at
V
CC
= +5V, T
A
= +25°C.) (Note 2)
CONDITIONS UNITSMIN TYP MAXSYMBOLPARAMETER
ns0t
DH
DIN to SCLK Hold Time
ns100t
DS
DIN to SCLK Setup Time
ns238t
CP
SCLK Period
ns100t
CL
SCLK Low Time
ns100t
CH
SCLK High Time
ns100t
CS0
SCLK Rising Edge to CS Falling
TX, RTS, DOUT; C
L
= 100pF
ns10t
r
Output Rise Time
ns200t
CSW
CS High Pulse Width
ns200t
CS1
CS Rising Edge to SCLK Rising
Edge
TX, RTS, DOUT, IRQ; C
L
= 100pF
ns10t
f
Output Fall Time
C
L
= 150pF to
2500pF
430
V/µs
Receiver Skew |t
PHL
- t
PLH
| 50 ns
C
L
= 150pF to
1000pF
Transmitter Skew |t
PHL
- t
PLH
| 100 ns
t
PLH
150
ns
Transition-Region Slew Rate
630
Maximum Data Rate 250 kbps
Receiver Propagation Delay
t
PHL
150
(Note 5)
C
L
= 150pF
V
CC
= 5V,
R
L
= 3kΩ to 7kΩ,
T
A
= +25°C,
measured from
+3V to -3V or
-3V to +3V
R
L
= 3kΩ, C
L
= 1000pF,
one transmitter switching
Receiver input to receiver output
RS-232 AC TIMING
4
Maxim Integrated
MAX3110E/MAX3111E