MAX220C/D Maxim Integrated, MAX220C/D Datasheet - Page 21

• Manufacturer Part Number: MAX220C/D
• Description: RS-232 Interface IC
• Manufacturer: Maxim Integrated
• Series: MAX220, MAX222, MAX223, MAX225, MAX230, MAX231, MAX232, MAX232A, MAX233, MAX233A, MAX234, MAX235, MAX236, MAX237, MAX238, MAX239, MAX240, MAX241, MAX242, MAX243, MAX244, MAX245, MAX246, MAX247, MAX248, MAX249r

Specifications of MAX220C/D

• Data Rate: 120 Kbps
• Operating Supply Voltage: 5 V
• Supply Current: 0.5 mA
• Operating Temperature Range: 0 C to + 70 C
• Number Of I/os: 2/2
• Propagation Delay Time Ns: 4 us, 0.6 us

Maxim Integrated
Figure 11. MAX233/MAX233A Pin Configuration and Typical Operating Circuit
Figure 12. MAX234 Pin Configuration and Typical Operating Circuit
TOP VIEW
PIN NAMES IN ( ) ARE FOR SO PACKAGE.
TOP VIEW
T1OUT
T2OUT
T2IN
T1IN
GND
V
C1+
CC
V+
(V+) C1+
(V-) CS-
R1OUT
T1OUT
1
2
3
4
5
6
7
8
T2IN
T1IN
R1IN
GND
GND
V
CC
+
10
MAX234
1
2
3
4
5
6
7
8
9
DIP/SO
+
MAX233A
DIP/SO
MAX233
+5V-Powered, Multichannel RS-232
16
15
14
13
12
11
10
9
T3OUT
T4OUT
T4IN
T3IN
V-
C2-
C2+
C1-
17
14
13
20
19
18
16
15
12
11
R2OUT
R2IN
T2OUT
V-
C2-
C2+
V+ (C1-)
C1- (C1+)
V- (C2+)
C2+ (C2-)
TTL/CMOS
CONNECTIONS TO
INPUTS
POWER SUPPLY
POWER SUPPLY
INTERNAL +10V
INTERNAL -10V
1.0μF
1.0μF
DO NOT MAKE
TTL/CMOS
THESE PINS
TTL/CMOS
OUTPUTS
INPUTS
10
11
13
14
7
9
4
3
C1+
C1-
C2+
C2-
13 (14)
12 (10)
T1IN
T2IN
T3IN
T4IN
8 (13)
14 (8)
2
1
20
17
3
1.0μF
T1IN
R2OUT
+5V
+5V
+5V
+5V
T2IN
R1OUT
C1+
C1-
V-
V-
V+
MAX220–MAX249
MAX220–MAX249
VOLTAGE INVERTER
VOLTAGE DOUBLER
Drivers/Receivers
+10V TO -10V
+5V
+5V
+5V TO +10V
400kΩ
400kΩ
400kΩ
1.0μF
400kΩ
+5V INPUT
GND
V
CC
400kΩ
GND
400kΩ
6
6
5
T1
T2
T4
T3
+5V INPUT
V
CC
7
T1OUT
T2OUT
T3OUT
T4OUT
GND
V-
V+
9
5kΩ
5kΩ
1
2
16
15
8
12
T1OUT
T2OUT
R1IN
R2IN
C2+
C2+
CS-
C2-
1.0μF
1.0μF
RS-232
OUTPUTS
5
18
4
11 (12)
15
16
10 (11)
19
RS-232
OUTPUTS
RS-232
INPUTS
21