MAX232
Dynamic parameters
Symbol
Parameter
Test conditions
Unit
Rate
from -40 °C
25 °C
to 85 °C
min max
min max
9.7
10
tPHLR
Signal propagation delay time VСС = 4.5 V
when switching on (off) L = 150 pF
VIL = 0 V
-
-
us
С
(tPLHR
)
VIH = 3.0 V
tLH
=
tHL
≤
10 ns
∗
∗
tPHLT
Signal propagation delay time VСС = 4.5 V
when switching on (off)
5.0
6.0
СL = 2500 pF
VIL = 0 V
(tPLHT
)
VIH = 3.0 V
RL = 3 kOhm
tLH = tHL ≤ 10 ns
Capacitance
Symbol
Parameter
Input capacitance
Unit
VCC
,
Rate
CIN
5.0
9.0
90
pF
CPD
Dynamic capacitance
Timing diagram when measuring IC dynamic parameters
+3 V
Rin
1.5 V
1.5 V
0 V
VOH
0.5Vcc
0.5Vcc
Rout
VOL
tPHLR
t PLHR
Figure 3
TGS [ Tiger Electronic Co.,Ltd ]
