MAX232
Table of pin description
Pin No.
Symbol
Pin name
01
C1+
Output of external capacitance of positive voltage multiplier unit
02
03
04
05
06
07
08
09
V+
C1-
Output of positive voltage of multiplier unit
Output of external capacitance of positive voltage multiplier unit
Output of external capacitance of negative voltage multiplier unit
Output of external capacitance of negative voltage multiplier unit
Output of negative voltage of multiplier unit
C2+
C2-
V-
T2OUT
R2IN
R2OUT
Output of transmitter data (levels RS – 232)
Input of receiver data (levels RS – 232)
Output of receiver data (levels TTL/KMOS)
10
11
12
13
14
15
16
T2IN
T1IN
Input of transmitter data (levels TTL/KMOS)
Input of transmitter data (levels TTL/KMOS)
Output of receiver data (levels TTL/KMOS)
Input of receiver data (levels RS – 232)
Output of transmitter data (levels RS – 232)
Common output
R1OUT
R1IN
T1OUT
GND
VCC
Supply output of voltage source
Maximum conditions
Rate
Symbol
Parameter
Unit
min
max
VCC
V+
Supply voltage
-0.3
6.0
14
V
Transmitter high output voltage
Transmitter low output voltage
VCC -0.3
V-
-0.3
-14
VTIN
VRIN
Transmitter input voltage
Receiver input voltage
Dissipated power
DIP – package
-0.3
-30
V+ +0.3
30
PD
-
842
762
mW
SO - package
Continu-
ously
ISC
Output current of transmitter short circuit
Ambient temperature
-
mA
Та
-60
150
ОС