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ST3241EB 数据表(PDF) 6 Page - STMicroelectronics

部件名 ST3241EB
功能描述  ±15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down
PDF  15 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST3241EB 数据表(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
ST3241EB - ST3241EC
6/15
3
Electrical characteristics
Table 6.
Electrical characteristics
(C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified.
Typical values are referred to TA = 25 °C)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
ISUPPLY
Supply current
No load VCC = 3.3V or 5V, TA = 25°C
0.3
1
mA
ISHDN
Shutdown supply current
SHDN = GND, TA = 25°C
1
10
µA
Table 7.
Logic input and receiver output electrical characteristics
(C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified.
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
Table 8.
Receiver output electrical characteristics
(C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified.
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
Table 9.
Transmitter electrical characteristics
(C1 - C4 = 0.1 µF, VCC = 3 V to 5.5 V, TA = -40 to 85 °C, unless otherwise specified.
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
Ω
ISC
Output short circuit current
± 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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