参数资料
型号: MAX240D
厂商: Maxim Integrated Products, Inc.
英文描述: TV 23C 21#20 2#16 SKT RECP
中文描述: 5V的供电,多通道的RS - 232驱动器/接收
文件页数: 31/36页
文件大小: 442K
代理商: MAX240D
M
+5V-Powered, Multichannel RS-232
Drivers/Receivers
______________________________________________________________________________________
31
400k
V
CC
400k
GND
+5V
+5V
+5V
+5V
+5V
40
16
1
μ
F
2
18
4
T
A1
OUT
T
A1
IN
T
A3
OUT
T
A3
IN
20
24
38
22
36
1
39
T
B1
OUT
T
B1
IN
T
B3
OUT
T
B3
IN
400k
+5V
17
3
T
A2
OUT
T
A2
IN
+5V
23
37
T
B2
OUT
T
B2
IN
400k
+5V
19
5
T
A4
OUT
T
A4
IN
+5V
21
35
T
B4
OUT
T
B4
IN
5k
5k
5k
5k
5k
5k
5k
5k
5k
5k
11 R
A1
IN
10 R
A1
OUT
12 R
A2
IN
9 R
A2
OUT
13 R
A3
IN
8 R
A3
OUT
14 R
A4
IN
7 R
A4
OUT
15 R
A5
IN
6 R
A5
OUT
29
30
28
31
27
32
26
33
25
34
R
B1
IN
R
B1
OUT
R
B2
IN
R
B2
OUT
R
B3
IN
R
B3
OUT
R
B4
IN
R
B4
OUT
R
B5
IN
R
B5
OUT
40
V
CC
ENB
T
B1
IN
T
B2
IN
T
B3
IN
T
B4
IN
R
B5
OUT
R
B4
OUT
R
B3
OUT
R
B2
OUT
R
B1
OUT
R
B1
IN
R
B2
IN
R
B3
IN
R
B4
IN
R
B5
IN
T
B1
OUT
T
B2
OUT
T
B3
OUT
T
B4
OUT
39
38
37
36
35
34
33
32
31
1
2
3
4
5
6
7
8
9
10
ENA
T
A1
IN
T
A2
IN
T
A3
IN
T
A4
IN
R
A5
OUT
R
A4
OUT
R
A3
OUT
R
A2
OUT
R
A1
OUT
R
A1
IN
R
A2
IN
R
A3
IN
R
A4
IN
R
A5
IN
T
A1
OUT
T
A2
OUT
T
A3
OUT
T
A4
OUT
GND
TOP VIEW
MAX246
30
29
28
27
26
25
24
23
22
21
11
12
13
14
15
16
17
18
19
DIP
20
MAX246 FUNCTIONAL DESCRIPTION
10 RECEIVERS
5 A-SIDE RECEIVERS (RA5 ALWAYS ACTIVE)
5 B-SIDE RECEIVERS (RB5 ALWAYS ACTIVE)
8 TRANSMITTERS
4 A-SIDE TRANSMITTERS
4 B-SIDE TRANSMITTERS
2 CONTROL PINS
ENABLE A-SIDE (ENA)
ENABLE B-SIDE (ENB)
ENA
ENB
Figure 22. MAX246 Pin Configuration and Typical Operating Circuit
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