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MAX3238E Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX3238E
Description  3.0V to 5.5V, 10nA, 250kbps RS-232 Transceivers with ±15kV ESD-Protected I/O and Logic Pins
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3238E Datasheet(HTML) 3 Page - Maxim Integrated Products

 
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+3.0V to +5.5V, 10nA, 250kbps RS-232 Transceivers
with ±15kV ESD-Protected I/O and Logic Pins
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +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
C2–C4 = 0.33µF (tested at 5.0V ±10%), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
Figure 4a
Figure 4a
Figure 4b
VCC = 5V, Figure 4b (Note 3)
VCC = 5V, Figure 4b
IOUT = 1.0mA
IOUT = -1.0mA
VCC = 5V, Figure 4b
V
-0.3
0.3
Receiver Input Threshold to
INVALID Output Low
V
2.7
Receiver Input Threshold to
INVALID Output High
s
15
30
60
Receiver or Transmitter Edge to
Shutdown (tAUTOSHDN)
µs
25
Receiver or Transmitter Edge to
Transmitters Enabled (tWU)
µs
60
Receiver Positive or Negative
Threshold to INVALID Low (tINVL)
V
0.4
INVALID Output Voltage Low
V
VCC -
0.6
INVALID Output Voltage High
µs
0.3
Receiver Positive or Negative
Threshold to INVALID High (tINVH)
Positive threshold
Negative threshold
-2.7
V
-25
25
IOUT = -1.0mA
IOUT = 1.0mA
Input Voltage Range
VCC = 3.3V
Receivers disabled
T_IN, FORCEON, FORCEOFF (Note 2)
0.6
1.0
CONDITIONS
VCC = 5.0V
V
0.8
1.4
Input Threshold Low
VCC = 3.3V
1.5
2.4
VCC = 5.0V
V
2.0
2.4
Input Threshold High
V
0.6
Input Hysteresis
TA = +25°C
k
35
7
Input Resistance
V
VCC -VCC -
0.6
0.1
Output Voltage High
V
0.4
Output Voltage Low
µA
±0.05
±10
Output Leakage Current
µA
918
Input Leakage Current
UNITS
MIN
TYP
MAX
PARAMETER
All transmitter outputs loaded with 3k
Ω to ground
V
±5.0
±5.4
Output Voltage Swing
VCC = 0, TOUT = ±2V
300
50k
Output Resistance
VCC
≤ 3.6V
±35
±60
VCC > 3.6V
mA
±40
±100
Output Short-Circuit Current
IEC 1000-4-2 Air-Gap Discharge Method
±15
IEC 1000-4-2 Contact Discharge Method
±8
Human Body Model
kV
±15
ESD Protection (R_IN, T_IN, R_OUT,
T_OUT, FORCEON, FORCEOFF,
INVALID, R_OUTB)
RECEIVER INPUTS
AutoShutdown (FORCEON = GND, FORCEOFF = VCC)
TRANSMITTER OUTPUTS
ESD PROTECTION


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