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UM3221EEAE Datasheet(PDF) 4 Page - Union Semiconductor, Inc.

Part # UM3221EEAE
Description  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.

UM3221EEAE Datasheet(HTML) 4 Page - Union Semiconductor, Inc.

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________________________________________________________________________
http://www.union-ic.com
Rev.06 Dec.2013
4/15
UM3221E/UM3222E/UM3232E
Electrical Characteristics (Continued)
(VCC=+3.0V to +5.5V, C1- C4=0.1μF, TA=TMIN to TMAX, unless otherwise noted. Typical values
are at TA=25℃)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
TIMING CHARACTERISTICS
Maximum Data Rate
RL = 3kΩ to 7kΩ,
CL = 50pF to 1000pF,
one transmitter switching
250
kbps
Receiver Propagation
Delay
tPLH, tPHL
CL = 150pF
Figure 1
All parts,
normal
operation
0.15
μs
Receiver Skew
|tPHL-tPLH|
0.1
μs
Transmitter
Propagation Delay
tPLH, tPHL
RL = 3kΩ,
CL = 2500pF,
all transmitters loaded
Figure 1
0.9
μs
Transmitter Skew
|tPHL-tPLH|
0.1
μs
Transition-Region
Slew Rate
TA = +25°C, VCC = 3.3V,
RL = 3kΩ to 7kΩ, CL = 50pF
to 1000pF, measured from
-3V to +3V or +3V to -3V,
Figure 1
3
15
30
V/μs
ESD AND LATCH UP PERFORMANCE
R_IN, T_OUT
ESD-Protection
Voltage
Human Body Model
±15
kV
IEC61000-4-2,
Contact Discharge
±8
IEC61000-4-2,
Air-Gap Discharge
±15
Logic Pin
ESD-Protection
Voltage
Human Body Model
±2
kV
Latch Up Performance
JEDEC Standard No.78D
±200
mA


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