isl81387 Intersil Corporation, isl81387 Datasheet - Page 6

• Manufacturer Part Number: isl81387
• Description: ?15kv Esd Protected, 5v, Dual Protocol Rs-232/rs-485 Transceivers
• Manufacturer: Intersil Corporation

Typical Operating Circuit
0.1µF
0.1µF
0.1µF
0.1µF
V
V
+5V
+5V
V
CC
CC
CC
C
C
C
C
A
B
A
B
Y
Y
Z
Z
RS-232 MODE WITHOUT LOOPBACK
RS-485 MODE WITHOUT LOOPBACK
1
2
1
2
+
+
+
+
+
+
20
19
20
19
NOTE: PINOUT FOR SOIC AND SSOP
NOTE: PINOUT FOR SOIC AND SSOP
1
2
1
2
4
5
6
7
9
4
5
6
7
9
0.1µF
8
0.1µF
8
DEN
485/232
DEN
485/232
C1+
C1-
C2+
C2-
C1+
C1-
C2+
C2-
5kΩ
5kΩ
6
GND
GND
V
V
CC
CC
D
18
18
10
10
R
R
R
D
D
RXEN
RXEN
ON
ON
V+
V+
V-
V-
3
11
17
12
3
11
17
12
16
15
14
13
16
15
14
13
R
R
D
D
R
R
D
SLEW
+ C
+ C
ISL81387, ISL41387
+
+
A
B
Y
Z
A
B
Y
0.1µF
C
0.1µF
0.1µF
C
0.1µF
V
V
V
V
3
4
3
4
CC
CC
CC
CC
0.1µF
0.1µF
V
+5V
CC
C
C
Y
A1
B1
Z
1
2
0.1µF
0.1µF
V
+5V
V
CC
CC
C
C
Y
+
+
Z
+
1
2
20
19
A
B
1
2
NOTE: PINOUT FOR SOIC AND SSOP
RS-232 MODE WITH LOOPBACK
6
7
9
RS-485 MODE WITH LOOPBACK
4
5
8
0.1µF
+
+
+
485/232
C1+
C1-
C2+
C2-
DEN
20
19
4
5
1
2
NOTE: PINOUT FOR SOIC AND SSOP
6
7
9
8
0.1µF
5kΩ
5kΩ
485/232
C1+
C1-
C2+
C2-
DEN
GND
V
R
LB
Rx
R
CC
18
10
D
D
GND
V
LB
Rx
R
CC
18
D
10
RXEN
ON
V+
V-
RXEN
ON
3
11
17
12
16
15
14
13
V+
V-
R
3
11
17
12
16
15
14
13
R
D
D
+ C
+
A
0.1µF
C
0.1µF
B
Y
Z
V
3
4
November 21, 2007
CC
R
R
D
SLEW
+ C
+
0.1µF
C
0.1µF
A
B
Y
V
3
4
CC
FN6201.3