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ST3241E Datasheet(PDF) 5 Page - STMicroelectronics

Part No. ST3241E
Description  ®5KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST3241E Datasheet(HTML) 5 Page - STMicroelectronics

 
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ST3241E
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RECEIVER ELECTRICAL CHARACTERISTICS
(C1 -C4 =0.1µF, VCC =3V to5.5V, TA = -40 to 85°C, unless otherwise specified.
Typical values are referred to TA =25°C)
TIMING CHARACTERISTICS
(C1 -C4 =0.1µF, VCC =3V to5.5V, TA = -40 to 85°C, unless otherwise specified.
Typical values are referred to TA =25°C)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VRIN
Receiver Input Voltage
Operating Range
-25
25
V
VRIL
RS-232 Input Threshold
Low
TA = 25°C
VCC =3.3V
TA = 25°C
VCC =5.0V
0.6
0.8
1.2
1.5
V
VRIH
RS-232 Input Threshold
High
TA = 25°C
VCC =3.3V
TA = 25°C
VCC =5.0V
1.5
1.8
2.4
2.4
V
VRIHYS Input Hysteresis
0.3
V
RRIN
Input Resistance
TA = 25°C
3
5
7
K
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DR
Maximum Data Rate
RL =3KΩ
CL= 1000pF
one transmitter switching
250
Kbps
tPHL
tPLH
Receiver Propagation Delay RIN to ROUT
CL = 150pF
0.15
µs
tT_SKEW Transmitter Skew
100
ns
tR_SKEW Receiver Skew
300
ns
SRT
Transition Slew Rate
TA = 25°C RL =3Kto7KΩ
VCC =3.3V
measured from +3V to -3V or -3V to +3V
CL = 150pF to 1000pF
CL = 150pF to 2500pF
6
4
30
30
V/
µs
V/
µs


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