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参数资料
| 型号： | LT1342CSW#TR |
| 厂商： | Linear Technology |
| 文件页数： | 8/8页 |
| 文件大小： | 0K |
| 描述： | IC TXRX 5V RS232 3V LOGIC 28SOIC |
| 标准包装： | 1,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 3/5 |
| 规程： | RS232 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC |
| 包装： | 带卷 (TR) |
8
LT1342
LINEAR TECHNOLOGY CORPORATION 1993
TYPICAL APPLICATIO S
U
Operation Using 5V and 12V Power Supplies
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 qFAX:(408)434-0507 q www.linear-tech.com
1342fa LT/TP 1098 REV A 2K PRINTED IN USA
LT1342 TA03
5V VCC
12V V+
0.1
F
TO
LINE
LT1342
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DRIVER 1 OUT
RX1 IN
DRIVER 2 OUT
RX2 IN
RX3 IN
RX4 IN
DRIVER 3 OUT
RX5 IN
ON/0FF = 5V
3V VL
28
27
26
25
24
23
22
21
20
19
18
17
16
15
2
× 0.1F
DRIVER 1 IN
RX1 OUT
DRIVER 2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DRIVER 3 IN
RX5 OUT
TO LOGIC
V–
V+
VCC
C1–
C1+
0.1
F
0.1
F
GND
NC
DRIVER DISABLE
0.1
F
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3-DR/5-RX RS232 Transceiver
True RS232 from 3V
Typical Mouse Driving Application
LT1342 TA04
5V VCC
0.1
F
2
× 0.1F
0.1
F
DB9
LT1342
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DRIVER 1 OUT
RX1 IN
DRIVER 2 OUT
RX2 IN
RX3 IN
RX4 IN
DRIVER 3 OUT
RX5 IN
28
27
26
25
24
23
22
21
20
19
18
17
16
15
2
× 0.1F
DRIVER 1 IN
DRIVER 2 IN
RX3 OUT
DRIVER 3 IN
MOUSE
V–
V+
LOGIC “0”
MOUSE DATA
LOGIC “1”
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
(1)
(9)
(5)
LOGIC
OPTICS
V+
V –
ON/OFF
3V VL
RX1 OUT
RX2 OUT
RX4 OUT
RX5 OUT
DRIVER DISABLE
NC
GND
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