Datasheet

ST202E/ST232E
3/14
ESD PERFORMANCE: TRANSMITTER OUTPUTS, RECEIVER INPUTS
Note: All test versus GND.
ELECTRICAL CHARACTERISTICS
(C
1
-C
4
=0.1µF for ST202E, C
1
-C
4
=1µF for ST232E, V
CC
=5V± 10%, T
A
= -40 to 125°C,
unless otherwise specified. Typical values are referred to T
A
= 25°C)
TRANSMITTER ELECTRICAL CHARACTERISTICS
(C
1
-C
4
=0.1µF for ST202E, C
1
-C
4
=1µF for ST232E, V
CC
=5V± 10%, T
A
= -40 to 125°C,
unless otherwise specified. Typical values are referred to T
A
= 25°C)
Note 1: Measured from 3V to -3V or from -3V to 3V.
Note2: One transmitter output is loaded with R
L
=3KΩto 7KΩ,C
L
=50to1000pF
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) ± 6KV
ESD ESD Protection Voltage IEC 1000-4-2 (Air Discharge) ± 8KV
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
SUPPLY
V
CC
Power Supply Current No Load, T
A
= 25°C 5 10 mA
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
TOUT
Output Voltage Swing All Transmitter outputs are loaded with
3KΩ to GND
± 5 ± 9V
I
TIL
Input Leakage Current ± 1µA
V
TIL
Input Logic Threshold Low 0.8 V
V
TIH
Input Logic Threshold High 2 V
SR
T
Transition Slew Rate T
A
= 25°C, V
CC
=5V
R
L
=3to7KΩ,C
L
= 50 to 1000pF
(Note1)
3630V/µs
D
R
Data Rate R
L
=3to7KΩ,C
L
= 50 to 1000pF
one transmitter switching
230 400 Kbits/s
R
TOUT
Transmitter Output
Resistance
V
CC
=V+=V-=0V V
OUT
= ± 2V 300 Ω
I
SC
Transmitter Output Short
Circuit Current
±10 ±60 mA
t
DT
Transmitter Propagation
Delay
R
L
=3to7KΩ,C
L
= 50 to 2500pF
All transmitter loaded
2 µA