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UM3243EESS Datasheet(PDF) 3 Page - Union Semiconductor, Inc.

Part # UM3243EESS
Description  Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smart RS-232 Transceivers
PDF  22 Pages
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Manufacturer  UNIONSEMI [Union Semiconductor, Inc.]
Direct Link  http://www.union-ic.com
Logo UNIONSEMI - Union Semiconductor, Inc.

UM3243EESS Datasheet(HTML) 3 Page - Union Semiconductor, Inc.

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http://www.union-ic.com Rev.01 Mar.2015
3/22
UM3243
Electrical Characteristics
(VCC=+3.0V to +5.5V, C1- C4=0.1μF, TA=TMIN to TMAX, unless otherwise noted. Typical values are at
TA=25°C)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
DC CHARACTERISTICS (VCC=+3.3V or +5V, TA=25°C)
Supply Voltage
VCC=3.3V
3.0
3.3
3.6
V
VCC=5.0V
4.5
5.0
5.5
Supply Current,
Auto Power-Off
ICC
All RIN_ Open,
FORCEON=GND,
FORCEOFF
_____________________
=VCC
0.1
10
μA
Supply Current,
Forced Power-Off
FORCEOFF
_____________________
=GND
0.1
10
μA
Supply Current,
Normal
FORCEON=FORCEOFF
_____________________
=VCC,
Other Input NC,
All Outputs with No Load
0.6
1.0
mA
LOGIC INPUTS
Input Logic
Threshold Low
TIN_, FORCEON, FORCEOFF
_____________________
0.8
V
Input Logic
Threshold High
TIN_,
FORCEON,
FORCEOFF
_____________________
VCC=3.3V
2.0
V
VCC=5.0V
2.4
Input Hysteresis
Vhys
0.2
V
Input Leakage
Current
IIL
FORCEON, FORCEOFF
_____________________
±0.01
±1.0
μA
TIN_
Transmitter
Disabled
±0.01
±1.0
μA
Transmitter
Enabled
±1
±5
μA
LOGIC OUTPUTS
Output Voltage
Low
VOL
INVALID
_________________
,
ROUT2B,
ROUT_
IOL=1.6mA
0.4
V
Output Voltage
High
VOH
IOH=-1.0mA
VCC-0.6
VCC-0.1
V
Output Leakage
Current
IOL
ROUT_
Receivers
Disabled,
Connected to
VCC or GND
±0.05
±10
μA



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