MAX240CMH-T Maxim Integrated, MAX240CMH-T Datasheet - Page 26

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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
MAX220–MAX249
MAX220–MAX249
26
+5V-Powered, Multichannel RS-232
Drivers/Receivers
Figure 17. MAX239 Pin Configuration and Typical Operating Circuit
TOP VIEW
R1OUT
R5OUT
R4OUT
R1IN
R5IN
R4IN
GND
V
C+
CC
V+
C-
V-
10
11
12
1
2
3
4
5
6
7
8
9
+
MAX239
DIP/SO
24
23
22
21
20
19
18
17
16
15
14
13
T1IN
T2IN
R2OUT
R2IN
T2OUT
T1OUT
R3IN
R3OUT
T3IN
N.C.
EN
T3OUT
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
1.0μF
11
24 T1IN
23
16
22
17
10
14
7
1
6
1.0μF
C1+
C1-
EN
T2IN
T3IN
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
+5V
+5V
+5V
+5V INPUT
V
VOLTAGE INVERTER
CC
4
+10V TO -10V
400kΩ
400kΩ
400kΩ
GND
T1
T2
T3
R1
R2
R3
R4
R5
3
+7.5V TO +13.2V
INPUT
V+
5
5kΩ
5kΩ
5kΩ
5kΩ
5kΩ
T1OUT
T2OUT
T3OUT 13
R1IN
R2IN
R3IN
R4IN
R5IN
N.C.
V-
15
21
18
12
9
19
20
2
8
1.0μF
RS-232
OUTPUTS
RS-232
INPUTS
Maxim Integrated