st3241eb STMicroelectronics, st3241eb Datasheet - Page 7

• Manufacturer Part Number: st3241eb
• Description: ?15 Kv Esd Protected 3 To 5.5 V, 400 Kbps, Rs-232 Transceiver With Auto-power-down
• Manufacturer: STMicroelectronics

Table 10.
Table 11.
Symbol
Symbol
t
t
R_SKEW
V
T_SKEW
V
V
R
V
RIHYS
t
t
S
D
PHL
PLH
RIN
RIH
RIL
RIN
RT
R
Maximum data rate
Receiver propagation delay R
Transmitter skew
Receiver skew
Transition slew rate
Receiver input voltage
operating range
RS-232 Input threshold low
RS-232 Input threshold high
Input hysteresis
Input resistance
Receiver electrical characteristics
(C
Timing characteristics
(C
1
1
- C
- C
Parameter
4
4
Parameter
= 0.1 µF, V
= 0.1 µF, V
CC
CC
= 3 V to 5.5 V, T
= 3 V to 5.5 V, T
R
one transmitter switching
T
measured from +3V to -3V or -3V to +3V
C
C
A
L
IN
L
L
= 25°C, R
= 3kΩ , C
= 150pF to 1000pF
= 150pF to 2500pF
to R
T
T
T
T
T
A
A
A
A
A
= 25°C, V
= 25°C, V
= 25°C, V
= 25°C, V
= 25°C
OUT
L
, C
Test Conditions
= 1000pF
L
= 3k to 7kΩ, V
Test conditions
L
= 150pF
A
A
CC
CC
CC
CC
= -40 to 85 °C, unless otherwise specified.
= -40 to 85 °C, unless otherwise specified.
= 3.3V
= 5.0V
= 3.3V
= 5.0V
CC
= 3.3V
Min.
Min.
-25
0.6
0.8
250
3
6
4
Typ.
Typ.
0.15
100
300
1.2
1.5
1.5
1.8
0.3
5
Max.
Max.
2.4
2.4
25
30
30
7
kbps
Unit
Unit
V/µs
V/µs
kΩ
µs
ns
ns
V
V
V
V
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