Datasheet

Electrical characteristics
ST3232B, ST3232C
6/18
DocID7454 Rev 12
Table 8: Timing characteristics (C1 - C4 = 0.1 µF tested at 3.3 V ±10 %, VCC = 3 V to 5.5 V,
TA = -40 to 85 °C, unless otherwise specified. Typical values are referred to TA = 25 °C)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
D
R
Data transfer rate
R
L
= 3 kΩ, C
L2
= 1000 pF one transmitter
switching
300
400
kbps
t
PHLR
,
t
PLHR
Propagation delay input
to output
R
XIN
= R
XOUT
, C
L
= 150 pF
0.2
µs
|t
PHLT
-
t
THL
|
Transmitter propagation
delay difference
See
(1)
100
ns
|t
PHLR
-
t
THR
|
Receiver propagation
delay difference
50
S
RT
Transition slew rate
T
A
= 25 °C, R
L
= 3 kΩ to 7 kΩ, V
CC
= 3.3 V
measured from 3 V to -3 V or -3 V to 3 V,
C
L
= 150 pF to 1000 pF
6
30
V/µs
T
A
= 25 °C, R
L
= 3 kΩ to 7 kΩ, V
CC
= 3.3 V
measured from 3 V to -3 V or -3 V to 3 V,
C
L
= 150 pF to 2500 pF
4
30
Notes:
(1)
Transmitter skew is measured at the transmitter zero cross points