st3243eb STMicroelectronics, st3243eb Datasheet - Page 10

• Manufacturer Part Number: st3243eb
• Description: ?15 Kv Esd Protected 3 To 5.5 V, 400 Kbps, Rs-23 Transceiver With Auto-powerdown
• Manufacturer: STMicroelectronics

Table 11.
Table 12.
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t
Symbol
Symbol
t
V
R_SKEW
T_SKEW
V
V
R
V
t
RIHYS
S
t
D
PHL
PLH
RIN
RIH
RIN
RIL
RT
R
Maximum data rate
Receiver propagation
delay
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
(C1 - C4 = 0.1 µF, V
Typical values are referred to T
Timing characteristics
(C1 - C4 = 0.1 µF, V
Typical values are referred to T
Parameter
Parameter
CC
CC
R
switching
R
T
measured from +3 V to -3 V or -3 V to +3 V
C
C
A
L
IN
L
L
= 25°C R
= 3 V to 5.5 V, T
= 3 V to 5.5 V, T
= 3KΩ , C
= 150 pF to 1000 pF
= 150 pF to 2500 pF
T
T
T
T
T
to R
A
A
A
A
A
= 25°C, V
= 25°C, V
= 25°C, V
= 25°C, V
= 25°C
OUT
A
A
, C
L
= 1000 pF one transmitter
= 25°C)
= 25°C)
L
Test conditions
L
= 3K to 7KΩ, V
Test conditions
= 150 pF
CC
CC
CC
CC
= 3.3 V
= 5.0 V
= 3.3 V
= 5.0 V
A
A
= -40 to 85°C, unless otherwise specified.
= -40 to 85°C, unless otherwise specified.
CC
= 3.3 V
Min.
-25
0.6
0.8
Min.
250
3
6
4
Typ.
Typ.
0.15
400
150
1.1
1.4
1.6
1.9
0.5
70
5
Max.
Max.
2.4
2.4
30
30
25
7
Kbps
Unit
Unit
V/µs
V/µs
KΩ
ns
μs
ns
V
V
V
V