Datasheet

±25
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
mV500V
HYST4
Input Hysteresis
V0.8V
IL4
Input Low Voltage
V2.4V
IH4
Input High Voltage
T
A
= +25°C kΩ357R
IN
Input Resistance
T
A
= +25°C, V
CC
= 5V
T
A
= +25°C, V
CC
= 5V
V-25 +25Input Voltage Range
0.9I
SINK
= 25mA; TX only
Output Low Voltage V
OL2
0.4
V
I
SINK
= 4mA; DOUT, RTS
V
CC
- 0.5I
SOURCE
= 10mA; TX only
±8
kV
IEC 1000-4-2 Contact Discharge
±15IEC 1000-4-2 Air Discharge
SCLK Fall to DOUT Valid t
DO
100 nsC
LOAD
= 100pF
CS to SCLK Hold Time
t
CSH
0 ns
Output Low Voltage V
OL1
0.4 V
Output High Voltage V
OH1
V
CC
- 0.6 V
±0.05 ±10 µA
Output Voltage Swing 5 ±5.4 V
Output Resistance R
O
300 10M Ω
Output Short-Circuit Current ±60 mA
Output Leakage Current I
LKG2
±25 µA
ESD Protection
±15
Output Leakage Current I
LKG3
±1 µA
Output High Voltage V
OH2
V
CC
- 0.5
V
Output Capacitance C
OUT1
5 pF
Output Leakage Current I
LKG4
±1 µA
Output Low Voltage V
OL3
0.4 V
Output Capacitance C
OUT2
5 pF
CS Low to DOUT Valid
t
DV
100 ns
CS High to DOUT Tri-State
t
TR
100 ns
CS to SCLK Setup Time
t
CSS
100 ns
DOUT only, CS = V
CC
I
SINK
= 1.6mA
I
SOURCE
= 1mA
3kΩ load on all transmitter outputs
V
CC
= V+ = V- = 0, V
OUT
= ±2V
I
SOURCE
= 5mA; DOUT, RTS
V
CC
= 0 or 5.5V, V
OUT
= ±12V,
transmitters disabled
V
IRQ
= 5.5V
I
SINK
= 4mA
Human Body Model
C
LOAD
= 100pF
C
LOAD
= 100pF, R
CS
= 10kΩ
RS-232 RECEIVER INPUTS (R_IN)
RS-232 ESD PROTECTION (R_IN, T_OUT)
RS-232 RECEIVER OUTPUTS (R_OUT)
RS-232 TRANSMITTER OUTPUTS (T_OUT)
UART OUTPUTS (DOUT, TX, RTS)
UART IRQ OUTPUTS (IRQ = open drain)
UART AC TIMING
Maxim Integrated
3
MAX3110E/MAX3111E