MAX240CMH-T Maxim Integrated, MAX240CMH-T Datasheet - Page 21

no-image

MAX240CMH-T

Manufacturer Part Number
MAX240CMH-T
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
Datasheet

Specifications of MAX240CMH-T

Data Rate
120 Kbps
Operating Supply Voltage
5 V
Supply Current
15 mA
Operating Temperature Range
0 C to + 70 C
Mounting Style
SMD/SMT
Function
Transceiver
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Number Of Drivers
5
Number Of I/os
20
Number Of Receivers
5
Propagation Delay Time Ns
10 us
Shutdown
Yes
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