参数资料
型号: MAX249EQH+TD
厂商: Maxim Integrated Products
文件页数: 20/38页
文件大小: 0K
描述: IC RS-232 DRVR/RCVR 44-PLCC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 500
类型: 收发器
驱动器/接收器数: 6/10
规程: RS232
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 44-LCC(J 形引线)
供应商设备封装: 44-PLCC(16.59x16.59)
包装: 带卷 (TR)
+5V-Powered, Multichannel RS-232
Drivers/Receivers
GND
18
4
R3OUT
40
R4OUT
R3IN
R4IN
5k
Ω
5k
Ω
13
10
R2OUT
R2IN
5k
Ω
RS-232
INPUTS
TTL/CMOS
OUTPUTS
RS-232
OUTPUTS
TTL/CMOS
INPUTS
R2
16
17
R1OUT
R1IN
5k
Ω
R1
R3
R4
36
35
R5OUT
R5IN
5k
Ω
R5
7
15 T1IN
T1OUT
+5V
400k
Ω
+5V
14
8
T2IN
T2OUT
T2
400k
Ω
37
T3OUT
6
T3IN
+5V
T3
400k
Ω
C1+
C1-
1.0
μF
25
VCC
+5V INPUT
19
30
1.0
μF
26
1.0
μF
+5V TO +10V
VOLTAGE DOUBLER
3
1.0
μF
T1
+5V
2
41
T5IN
T5OUT
T5
400k
Ω
5
38 T4IN
T4OUT
+5V
400k
Ω
T4
27
C2+
C2-
28
1.0
μF
29
+5V TO -10V
VOLTAGE INVERTER
V+
39
EN
42
43
Plastic FP
MAX240
SHDN
EN
T5OUT
R4IN
R4OUT
R5OUT
R5IN
N.C.
T3IN
T4IN
R2OUT
T2IN
T1IN
R1OUT
R1IN
N.C.
VCC
GND
R2IN
N.C.
T4OUT
T2OUT
T1OUT
T3OUT
N.C.
R3IN
R3OUT
N.C.
T5IN
N.C.
C1+
C2
V+
C1-
C2+
N.C.
V-
N.C.
33
32
31
30
29
28
27
26
25
24
23
34
35
36
37
38
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
10
11
22
21
20
19
18
17
16
15
14
13
12
SHDN
TOP VIEW
V-
+
Figure 18. MAX240 Pin Configuration and Typical Operating Circuit
Maxim Integrated
27
MAX220–MAX249
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