MAX202E MAXIM [Maxim Integrated Products], MAX202E Datasheet - Page 14

• Manufacturer Part Number: MAX202E
• Description: 15kV ESD-Protected, +5V RS-232 Transceivers
• Manufacturer: MAXIM [Maxim Integrated Products]

±15kV ESD-Protected, +5V RS-232 Transceivers
Table 3. DB9 Cable Connections
Commonly Used for EIA/TIAE-232E and
V.24 Asynchronous Interfaces
14
____________Pin Configurations and Typical Operating Circuits (continued)
PIN
TOP VIEW
1
2
3
4
5
6
7
8
9
PIN NUMBERS ON TYPICAL OPERATING CIRCUIT REFER TO DIP/SO/TSSOP PACKAGE, NOT LCC.
* 1.0µF CAPACITORS, MAX232E ONLY.
______________________________________________________________________________________
Received Line Signal
Detector (sometimes
called Carrier Detect,
DCD)
Receive Data (RD)
Transmit Data (TD)
Data Terminal Ready
Signal Ground
Data Set Ready (DSR)
Request to Send (RTS)
Clear to Send (CTS)
Ring Indicator
T2OUT
R2IN
C1+
C2+
C1-
C2-
V+
V-
1
2
3
4
5
6
7
8
DIP/SO/TSSOP
MAX202E
MAX232E
CONNECTION
Handshake from DCE
Data from DCE
Data from DTE
Handshake from DTE
Reference point for
signals
Handshake from DCE
Handshake from DTE
Handshake from DCE
Handshake from DCE
16
15
14
13
12
11
10
9
V
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
CC
TTL/CMOS
TTL/CMOS
OUTPUTS
+5V INPUT
INPUTS
0.1µF*
0.1µF*
6.3V
16V
11
10
12
1
3
4
5
9
0.1µF
C1+
C1-
C2+
C2-
T1IN
T2IN
R1OUT
R2OUT
VOLTAGE DOUBLER
VOLTAGE INVERTER
+10V TO -10V
+5V TO +10V
T2
T1
GND
V
CC
R1
R2
15
16
5k
5k
0.1µF*
6.3V
T1OUT
T2OUT
R1IN
R2IN
V+
V-
14
13
2
6
7
8
+10V
-10V
0.1µF*
16V
RS-232
OUTPUTS
RS-232
INPUTS