MAX3238EAI Maxim Integrated Products, MAX3238EAI Datasheet - Page 3

• Manufacturer Part Number: MAX3238EAI
• Description: IC TXRX RS232 250KBPS 28-SSOP
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX3238EAI

• Number Of Drivers/receivers: 5/3
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
C2–C4 = 0.33µF (tested at 5.0V ±10%); T
Note 2: A transmitter/receiver edge is defined as a transition through the transmitter/receiver input logic thresholds.
AutoShutdown (FORCEON = GND, FORCEOFF = V
TRANSMITTER OUTPUTS
TIMING CHARACTERISTICS
Receiver Input Threshold to
INVALID Output High
Receiver Input Threshold to
INVALID Output Low
INVALID Output Voltage Low
INVALID Output Voltage High
Receiver Positive or Negative
Threshold to INVALID High (t
Receiver Positive or Negative
Threshold to INVALID Low (t
Receiver or Transmitter Edge to
Transmitters Enabled (t
Receiver or Transmitter Edge to
Shutdown (t
Output Voltage Swing
Output Resistance
Output Short-Circuit Current
Output Leakage Current
Maximum Data Rate
Receiver Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Skew
Receiver Skew
Transition-Region Slew Rate
CC
= +3.0V to +5.5V; C1–C4 = 0.1µF (tested at 3.3V ±5%), C1–C4 = 0.22µF (tested at 3.3V ±10%), C1 = 0.047µF and
RS-232 Transceiver with AutoShutdown Plus
PARAMETER
AUTOSHDN
+3.0V to +5.5V, 1µA, up to 250kbps, True
_______________________________________________________________________________________
)
WU
)
INVL
INVH
)
)
Figure 7a
Figure 4a
I
I
V
V
V
Figure 4b (Note 2)
All transmitter outputs loaded with 3k to ground
V
V
V
V
transmitters disabled
R
R_IN to R_OUT,
C
Normal operation
Normal operation
| t
| t
V
T
R
measured from +3V to
-3V or -3V to +3V
OUT
OUT
A
A
CC
CC
CC
CC
CC
CC
OUT
CC
L
L
L
PHL
PHL
= T
= 3k , C
= +25°C,
= 3 to 7k ,
= 150pF
= 5V, Figure 4b
= 5V, Figure 4b
= 5V, Figure 4b (Note 2)
= V+ = V- = GND, T
> 3.6V
= 3.3V,
= 1.6mA
= -1.0mA
MIN
= ±12V, V
- t
- t
3.6V
PLH
PLH
to T
L
|
|
CC
MAX
= 1000pF, one transmitter switching
CC
)
; unless otherwise noted. Typical values are at T
CONDITIONS
= 0V to 5.5V,
OUT
Positive threshold
Negative threshold
t
t
C
C
PHL
PLH
= 2V
L
L
= 150pF to 1000pF
= 150pF to 2500pF
V
±5.0
MIN
-2.7
-0.3
300
250
0.6
CC -
15
6
4
A
±5.4
TYP
10M
0.15
0.15
±35
±40
200
200
100
0.1
50
25
30
50
= +25°C.)
±100
MAX
±60
±25
2.7
0.3
0.4
60
30
30
UNITS
kbps
V/µs
sec
mA
µA
µs
µs
µs
µs
ns
ns
ns
ns
V
V
V
V
V
3