st3232b STMicroelectronics, st3232b Datasheet - Page 6

• Manufacturer Part Number: st3232b
• Description: 3 To 5.5 V, Low Power, Up To 400 Kbps Rs-232 Drivers And Receivers
• Manufacturer: STMicroelectronics

Table 8.
Note:
6/18
Symbol
- t
- t
|t
|t
t
t
PHLR
PLHR
PHLR
S
PHLT
D
THR
THL
RT
R
|
|
1
Data transfer rate
Propagation delay input to
output
Transmitter propagation
delay difference
Receiver propagation delay
difference
Transition slew rate
Timing characteristics (C
T
Transmitter skew is measured at the transmitter zero cross points.
A
= -40 to 85 °C, unless otherwise specified. Typical values are referred to T
Parameter
R
one transmitter switching
R
(Note
T
measured from +3V to -3V or -3V to +3V
C
C
A
L
XIN
L
L
1
= 25°C R
= 3kΩ , C
= 150pF to 1000pF
= 150pF to 2500pF
- C
= R
1)
4
XOUT
= 0.1 µF tested at 3.3 V ± 10 %, V
L2
Test conditions
L
, C
= 1000pF
= 3kΩ to 7kΩ V
L
= 150pF
CC
= 3.3V
Min.
300
6
4
CC
= 3 V to 5.5 V,
Typ.
400
100
0.2
50
A
= 25 °C)
Max.
30
30
kbps
Unit
V/µs
V/µs
µs
ns
ns