MAX3243ECAI+ Maxim Integrated Products, MAX3243ECAI+ Datasheet - Page 4

• Manufacturer Part Number: MAX3243ECAI+
• Description: IC TXRX RS232 250KBPS SD 28-SSOP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3243ECAI+

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Propagation Delay Time Ns: 0.15 us
• Operating Supply Voltage: 3 V to 5.5 V
• Supply Current: 1 uA
• Operating Temperature Range: 0 C to + 70 C
• Data Rate: 250 Kbps
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,
RS-232 Transceivers with AutoShutdown
TIMING CHARACTERISTICS—MAX3221E/MAX3223E/MAX3243E
(V
4
Note 2: C1–C4 = 0.1µF, tested at 3.3V ±10%. C1 = 0.047µF, C2–C4 = 0.33µF, tested at 5.0V ±10%.
Note 3: Transmitter skew is measured at the transmitter zero cross points.
(V
Maximum Data Rate
Receiver Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Skew
Receiver Skew
Transition-Region Slew Rate
CC
CC
_______________________________________________________________________________________
= +3.0V to +5.5V, C1–C4 = 0.1µF (Note 2), T
= +3.3V, 250kbps data rate, 0.1µF capacitors, all transmitters loaded with 3kΩ and C
PARAMETER
-1
-2
-3
-4
-5
-6
6
5
4
3
2
1
0
0
T1 TRANSMITTING AT 250kbps
T2 (MAX3223E) TRANSMITTING AT 15.6kbps
TRANSMITTER OUTPUT VOLTAGE
1000
vs. LOAD CAPACITANCE
MAX3221E/MAX3223E
LOAD CAPACITANCE (pF)
2000
⏐ t
⏐ t
SYMBOL
PHL
PHL
3000
t
t
PHL
PLH
- t
- t
PLH
PLH
V
V
4000
OUT+
OUT-
⏐
⏐
5000
R
one transmitter switching
C
Normal operation
Normal operation
(Note 3)
V
R
T
measured from +3V
to -3V or
-3V to +3V, one
transmitter switching
A
CC
A
L
L
L
= T
= 3kΩ to 7kΩ,
= +25°C,
= 3kΩ, C
= 150pF
= 3.3V,
MIN
to T
CONDITIONS
L
MAX
= 1000pF,
, unless otherwise noted. Typical values are at T
Typical Operating Characteristics
C
1000pF
L
= 150pF to
16
14
12
10
8
6
4
2
0
0
SLEW RATE vs. LOAD CAPACITANCE
FOR DATA RATES UP TO 250kbps
L
MIN
250
, T
6
1000
A
MAX3221E/MAX3223E
LOAD CAPACITANCE (pF)
= +25°C, unless otherwise noted.)
+SLEW
2000
TYP
0.15
0.15
200
200
100
50
3000
-SLEW
4000
A
MAX
= +25°C.)
30
5000
UNITS
kbps
V/µs
µs
ns
ns
ns
ns