V
參數資料
型號: MAX239EWG+T
廠商: Maxim Integrated Products
文件頁數: 22/38頁
文件大小: 0K
描述: IC RS-232 DRVR/RCVR 24-SOIC
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 1,000
類型: 收發(fā)器
驅動器/接收器數: 3/5
規(guī)程: RS232
電源電壓: 5 V,7.5 V ~ 13.2 V
安裝類型: 表面貼裝
封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 24-SOIC W
包裝: 帶卷 (TR)
+5V-Powered, Multichannel RS-232
Drivers/Receivers
400k
Ω
+10V TO -10V VOLTAGE INVERTER
+5V TO +10V VOLTAGE DOUBLER
VCC
400k
Ω
400k
Ω
GND
+5V
25
24
23
21
20
2
1
μF
1
μF
1
μF
1
μF
1
μF
16
3
17
4
18
5k
Ω
5k
Ω
5k
Ω
5k
Ω
5k
Ω
5k
Ω
5k
Ω
5k
Ω
5k
Ω
5k
Ω
C2-
C2+
C1-
C1+
TA2OUT
TA2IN
TA3OUT
TA3IN
TA4OUT
TA4IN
9 RA1IN
10 RA1OUT
8 RA2IN
11 RA2OUT
7 RA3IN
12 RA3OUT
6 RA4IN
13 RA4OUT
5 RA5IN
14
19
RA5OUT
26
22
43
29
42
28
41
27
36
35
37
34
38
33
39
32
40
31
V-
V+
TB2OUT
TB2IN
400k
Ω
2
15
TA1OUT
TA1IN
44
30
TB1OUT
TB1IN
TB3OUT
TB3IN
TB4OUT
TB4IN
RB1IN
RB1OUT
RB2IN
RB2OUT
RB3IN
RB3OUT
RB4IN
RB4OUT
RB5IN
RB5OUT
MAX249 FUNCTIONAL DESCRIPTION
10 RECEIVERS
5 A-SIDE RECEIVERS
5 B-SIDE RECEIVERS
8 TRANSMITTERS
4 A-SIDE TRANSMITTERS
4 B-SIDE TRANSMITTERS
NO CONTROL PINS
44
1
2
3
440
41
42
43
5
21
24
26
25
27 28
22 23
19 20
8
9
10
11
12
13
14
15
16
17
29
30
31
32
33
34
35
36
37
38
TA3IN
V
CC
RA5IN
MAX244
PLCC
TOP VIEW
TA4OUT
TA3OUT
TA2OUT
TA1OUT
TB1OUT
TB2OUT
TB3OUT
TB4OUT
RB5IN
GND
V+
C1+
C2+
C1-
V-
C2-
TB3IN
TB4IN
RB3IN
RB2IN
RB1IN
RB1OUT
RB2OUT
RB3OUT
RB4OUT
RB5OUT
TB1IN
TB2IN
TA2IN
TA1IN
RA5OUT
RA4OUT
RA3OUT
RA2OUT
RA1OUT
RA1IN
RA2IN
7
39
RB4IN
RA3IN
6
18
RA4IN
TA4IN
+5V
+
Figure 20. MAX244 Pin Configuration and Typical Operating Circuit
Maxim Integrated
29
MAX220–MAX249
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