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UM232EEUE Datasheet(PDF) 3 Page - Union Semiconductor, Inc.

Part # UM232EEUE
Description  High ESD-Protected, Fail-Safe, Single Supply RS-232 Transceivers
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Manufacturer  UNIONSEMI [Union Semiconductor, Inc.]
Direct Link  http://www.union-ic.com
Logo UNIONSEMI - Union Semiconductor, Inc.

UM232EEUE Datasheet(HTML) 3 Page - Union Semiconductor, Inc.

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________________________________________________________________________
http://www.union-ic.com Rev.04 Jan.2013
3/11
UM232EExE
Electrical Characteristics
(VCC=+5V±10%, C1- C4=0.1uF, TA=TMIN to TMAX, unless otherwise noted. Typical values are at
TA=25℃)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
DC CHARACTERISTICS
VCC Supply Current
ICC
No load, TA = +25°C
10
15
mA
LOGIC
Input Leakage Current
T_IN = 0V to VCC
±10
μA
Input Threshold Low
VIL
T_IN
0.8
V
Input Threshold High
VIH
T_IN
2.0
V
Output Voltage Low
VOL
R_OUT; IOUT = 3.2mA
0.4
V
Output Voltage High
VOH
R_OUT; IOUT = -1.0mA
3.5
VCC-0.4
V
Output Leakage
Current
0V ≤ ROUT≤ VCC
±0.05
±10
μA
EIA/TIA-232E RECEIVER INPUTS
Input Voltage Range
-30
30
V
Input Threshold Low
TA = +25°C,
VCC = 5V
Normal
operation
0.8
1.2
V
Input Threshold High
TA = +25°C,
VCC = 5V
Normal
operation
1.7
2.4
V
Input Hysteresis
VCC = 5V
0.2
0.5
1.0
V
Input Resistance
TA = +25°C, VCC = 5V
3
5
7
kΩ
EIA/TIA-232E TRANSMITTER OUTPUTS
Output Voltage Swing
All drivers loaded with 3kΩ to
ground
±5
±9
V
Output Resistance
VCC = V+ = V- = 0V,
VOUT = ±2V
300
Output Short-Circuit
Current
short to VCC , GND or other
TXD pin
±70
mA
TIMING CHARACTERISTICS
Maximum Data Rate
RL = 3kΩ to 7kΩ, CL = 50pF
to 1000pF, one transmitter
switching
250
kbps
Receiver Propagation
Delay
tPLHR,
tPHLR
CL = 150pF
Figure 1
All parts,
normal
operation
0.3
μs
Transmitter
Propagation Delay
tPLHT,
tPHLT
RL = 3kΩ, CL = 2500pF,
all transmitters loaded
Figure 1
1.2
μs
Transition-Region
Slew Rate
TA = +25°C, VCC = 5V,
RL = 3kΩ to 7kΩ, CL = 50pF
to 1000pF, measured from -3V
to +3V or +3V to -3V,
Figure 1
20
30
V/μs
ESD PERFORMANCE
TRANSMITTER OUTPUTS, RECEIVER INPUTS
ESD-Protection
Voltage
Human Body Model
±15
kV
IEC61000-4-2,
Contact Discharge
±8
IEC61000-4-2,
Air-Gap Discharge
±15


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