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ST202 Datasheet(PDF) 5 Page - STMicroelectronics

Part No. ST202
Description  5V Powered multi-channel RS-232 drivers and receivers
Download  18 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST202 Datasheet(HTML) 5 Page - STMicroelectronics

 
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ST202
Electrical characteristics
5/18
3
Electrical characteristics
Table 3.
Electrical characteristics
(C1 - C4 = 0.1µF, VCC = 5V ± 10%, TA = -40 to 85°C, unless otherwise specified. Typical
values are referred to TA = 25°C).
Symbol
Parameter
Test
Min.
Typ.
Max.
Unit
ISUPPLY
VCC Power supply current
No Load
1.5
4
mA
Table 4.
Transmitter electrical characteristics
(C1 - C4 = 0.1µF, VCC = 5V ± 10%, TA = -40 to 85°C, unless otherwise specified. Typical
values are referred to TA = 25°C).
Symbol
Parameter
Test
Min.
Typ.
Max.
Unit
VTOUT
Output voltage swing
All transmitter outputs are loaded
with 3K
Ω to GND
± 5
± 9V
ITIL
Logic pull-up current
TIN = 0V
5
40
µA
VTIL
Input logic threshold low
0.8
1.4
V
VTIH
Input logic threshold high
1.4
2
V
SRT
Transition slew rate
TA = 25°C, VCC = 5V
RL = 3 to 7KΩ, CL = 50 to 2500pF
(1)
612
30
V/
µs
DR
Data rate
(2)
200
400
Kbits/s
RTOUT
Transmitter output resistance
VCC = V+ = V- = 0V VOUT = ± 2V
300
ISC
Transmitter output short circuit
current
One TXOUT to GND
± 7
± 22
mA
tDT
Propagation delay time
TTL-CMOS IN to RS-232 OUT
CL = 150pF (50% to 50%)
1.3
3.5
µs
1.
Measured from 3V to -3V or from -3V to 3V
2.
One transmitter output is loaded with RL = 3KΩ to 7KΩ, CL = 50 to 1000pF


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