参数资料
型号: MAX249EQH+TD
厂商: Maxim Integrated Products
文件页数: 10/38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
13
14
28
27
26
25
24
23
22
21
1
2
3
4
5
6
7
8
VCC
400k
Ω
400k
Ω
400k
Ω
400k
Ω
400k
Ω
T1OUT
+5V
0.1
μF
+5V
3
28
27
4
25
24
23
26
5
6
7
22
GND
ENR
GND
21
+5V
T2OUT
T3OUT
T4OUT
5k
Ω
5k
Ω
5k
Ω
5k
Ω
5k
Ω
14
13
2
1
T5OUT
R1IN
R2IN
R3IN
R4IN
R5IN
T1IN
11
12
18
17
16
15
10
9
8
19
20
T2IN
T3IN
T4IN
T5IN
ENT
R2OUT
R3OUT
R4OUT
PINS (ENR, GND, VCC, T5OUT) ARE INTERNALLY CONNECTED.
CONNECT EITHER OR BOTH EXTERNALLY. T5OUT IS A SINGLE DRIVER.
R5OUT
R1OUT
VCC
ENT
T3IN
T2IN
T1IN
ENR
T4IN
T5IN
R4OUT
R5OUT
R3IN
R3OUT
R2OUT
R1OUT
20
19
18
17
9
10
11
12
R5IN
R4IN
T3OUT
T4OUT
T2OUT
T1OUT
R1IN
R2IN
SO
MAX225
16
15
T5OUT
MAX225 FUNCTIONAL DESCRIPTION
5 RECEIVERS
5 TRANSMITTERS
2 CONTROL PINS
1 RECEIVER ENABLE (ENR)
1 TRANSMITTER ENABLE (ENT)
T5OUT
GND
TOP VIEW
+
Figure 7. MAX225 Pin Configuration and Typical Operating Circuit
18
Maxim Integrated
MAX220–MAX249
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