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ST3241E Datasheet(PDF) 4 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) 4 Page - STMicroelectronics

 
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ST3241E
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ESD PERFORMANCE: TRANSMITTER OUTPUTS, RECEIVER INPUTS
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)
LOGIC INPUT AND RECEIVER OUTPUT 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)
RECEIVER OUTPUT 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)
TRANSMITTER 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)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
ESD
ESD Protection Voltage
Human Body Model
± 15
KV
ESD
ESD Protection Voltage
IEC 1000-4-2 (Contact Discharge)
± 8KV
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
ISUPPLY Supply Current
No load VCC =3.3Vor 5V, TA = 25°C
0.3
1
mA
ISHDN
Shutdown Supply Current
SHDN =GND, TA = 25°C
1
10
µA
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VTIL
Input Logic Threshold Low
TIN,EN,SHDN
0.8
V
VTIH
Input Logic Threshold High
VCC =3.3V
VCC =5V
2
2.4
V
V
IIL
Input Leakage Current
TIN,EN,SHDN
± 0.01
± 1.0
µA
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
IOL
Output Leakage Current
ROUT,EN, Receiver Disabled
± 0.05
± 10
µA
VOL
Output Voltage Low
IOUT =1.6mA
0.4
V
VOH
Output Voltage High
IOUT =-1mA
VCC-0.6 VCC-0.1
V
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VTOUT Output Voltage Swing
All Transmitter outputs are loaded with
3K
Ω to GND
± 5
± 5.4
V
ROUT
Output Resistance
VCC =V+= V- =0V
VOUT = ± 2V
300
10M
ISC
Output Short Circuit Current VCC =3.3V
± 35
± 60
mA
IL
Output Leakage Current
VCC = 0 to 5.5V, transmitter output =±12V,
transmitter disabled
± 25
µA
VTO
Transmitter Output Voltage
T1IN = T2IN = GND,
T3IN = VCC
T3OUT loaded with 3K
Ω to GND
T1OUT and T2OUT loaded with 2.5mA
each
± 5V


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