參數(shù)資料
型號: LTC1321IS
廠商: LINEAR TECHNOLOGY CORP
元件分類: 通用總線功能
英文描述: RS232/EIA562/RS485 Transceivers
中文描述: LINE TRANSCEIVER, PDSO24
封裝: PLASTIC, SOL-24
文件頁數(shù): 10/20頁
文件大?。?/td> 454K
代理商: LTC1321IS
10
LTC1321/LTC1322/LTC1335
LTC1321 Interface Configuration With Loopback
LTC1322/LTC1335 Interface Configuration Without Loopback
R
A1
PORT 1 = EIA562 MODE
PORT 2 = EIA562 MODE
1
*
A2
B2
23
D
Y2
17
14
13
R
B2
V
EE
PORT 1 = RS485 MODE
PORT 2 = RS485 MODE
1
2
D
Y1
5
6
7
V
CC
ON
DE1
B1
A1
Z1
Y1
PORT 1 = RS485 MODE
PORT 2 = EIA562 MODE
1
*
D
Z2
Y2
Z2
**SEL1
SEL2
24
3
4
2
8
9
10
11
12
22
21
20
LB
18
19
16
GND
12
R
A2
15
PORT 1 = EIA562 MODE
PORT 2 = RS485 MODE
1
*
*V
DD
/OE
R
B1
R
B1
R
A1
V
CC
D
Z1
D
Y1
ON
D
Y2
Z1
A1
B1
D
Z2
Z2
Y2
A2
SEL1
SEL2
23
24
4
2
3
6
7
8
9
21
22
19
LB
18
17
GND
V
EE
10
B2
11
15
14
13
R
A2
R
B2
16
Y1
5
20
*V
DD
/OE
12
R
B1
R
A1
V
CC
D
Z1
D
Y1
ON
D
Y2
Z1
A1
B1
DE2
Z2
Y2
A2
B2
SEL1
**SEL2
23
24
4
2
3
6
7
8
9
21
22
19
LB
18
17
GND
V
EE
10
11
15
14
13
R
A2
R
B2
16
Y1
5
20
*V
DD
/OE
12
1322/35 BD01
R
A1
V
CC
DE1
D
Y1
ON
D
Y2
Z1
A1
B1
DE2
Z2
Y2
A2
B2
**SEL2
23
24
4
3
6
7
8
9
21
22
19
LB
18
17
GND
V
EE
10
11
15
14
13
R
A2
R
B2
16
Y1
5
20
*V
DD
/OE
*
**SEL1
R
B1
FOR LTC1322 ONLY, PIN 1 IS V
, AND OE IS ALWAYS ENABLED.
FOR LTC1335, PIN 1 IS OE, AND V
DD
IS CONNECTED TO V
CC
.
SEL1/SEL2 = V
CC
.
*
**
1321 BD02
R
A1
V
CC
V
DD
D
Y1
ON
Y1
PORT 1 = EIA562 MODE
PORT 2 = EIA562 MODE
1
D
Y2
Y2
SEL1
SEL2
24
22
5
6
7
8
20
19
LB
18
17
GND
V
EE
12
13
R
A2
15
PORT 1 = RS485 MODE
PORT 2 = RS485 MODE
1
4
D
Y1
6
R
A1
V
CC
V
DD
DE1
ON
Z1
Y1
PORT 1 = RS485 MODE
PORT 2 = EIA562 MODE
1
4
D
Y2
Y2
*SEL1
*SEL1/SEL2 = V
CC
SEL2
24
22
5
7
8
21
20
LB
18
19
17
GND
V
EE
12
13
R
A2
15
R
A1
V
CC
V
DD
D
Y1
ON
D
Y2
DE2
Y1
PORT 1 = EIA562 MODE
PORT 2 = RS485 MODE
1
SEL1
24
22
5
6
7
8
9
20
19
LB
18
17
16
12
13
15
Y2
Z2
*SEL2
GND
V
EE
R
A2
DE2
R
A2
D
Y2
7
8
9
17
16
15
12
13
Y2
Z2
*SEL2
GND
V
EE
D
Y1
6
R
A1
V
CC
V
DD
DE1
Z1
Y1
*SEL1
24
22
5
21
20
LB
19
ON
18
BLOCK DIAGRW
M
相關(guān)PDF資料
PDF描述
LTC1322IN RS232/EIA562/RS485 Transceivers
LTC1322IS RS232/EIA562/RS485 Transceivers
LTC1321 RS232/EIA562/RS485 Transceivers
LTC1321C RS232/EIA562/RS485 Transceivers
LTC1321I RS232/EIA562/RS485 Transceivers
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