isl81334 Intersil Corporation, isl81334 Datasheet - Page 6

• Manufacturer Part Number: isl81334
• Description: ?15kv Esd Protected, 5v, Two Port, Dual Protocol Rs-232/rs-485 Transceivers
• Manufacturer: Intersil Corporation

Typical Operating Circuit
0.1µF
0.1µF
0.1µF
0.1µF
V
+5V
+5V
V
CC
CC
A1
B1
Y1
A1
B1
Y1
Z1
Z1
C
C
C
C
RS-232 MODE WITHOUT LOOPBACK
RS-485 MODE WITHOUT LOOPBACK
1
2
1
2
+
+
+
+
+
+
28
27
28
27
23
NOTE: PINOUT FOR SOIC AND SSOP
NOTE: PINOUT FOR SOIC AND SSOP
1
2
1
2
4
5
6
7
4
5
6
7
0.1µF
8
0.1μF
8
SEL1
SEL1
C1+
C1-
C2+
C2-
C1+
C1-
C2+
C2-
DE1
SAME FOR PORT 2.
SAME FOR PORT 2.
5kΩ
5kΩ
6
GND
GND
V
V
CC
CC
D
26
26
14
14
R
R
R
D
D
ON/OFF
ON/OFF
LB
V+
V+
LB
V-
V-
3
15
24
3
15
24
21
25
22
23
21
20
25
22
20
R
R
D
D
R
R
D
+ C
+ C
ISL81334, ISL41334
+
+
A1
B1
Y1
Z1
A1
B1
Y1
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
+5V
Y1
C
C
Z1
0.1µF
0.1µF
V
+5V
A1
B1
V
1
2
CC
CC
Y1
C
C
Z1
1
2
A1
B1
+
+
+
RS-232 MODE WITH LOOPBACK
RS-485 MODE WITH LOOPBACK
28
27
1
2
NOTE: PINOUT FOR SOIC AND SSOP
4
5
6
7
8
0.1µF
+
+
+
28
27
23
1
2
NOTE: PINOUT FOR SOIC AND SSOP
SEL1
4
5
6
7
C1+
C1-
C2+
C2-
8
0.1µF
5kΩ
5kΩ
SEL1
C1+
C1-
C2+
C2-
DE1
SAME FOR PORT 2.
SAME FOR PORT 2.
R
R
GND
V
CC
26
GND
14
V
LB
Rx
CC
D
D
26
D
14
ON/OFF
R
LB
Rx
ON/OFF
V+
LB
V-
LB
V+
V-
15
24
3
25
22
23
21
20
3
15
24
21
25
22
20
R
R
D
D
+ C
A1
+
C
0.1µF
B1
Y1
Z1
0.1µF
GND
V
November 21, 2007
4
R
R
D
3
+ C
CC
+
0.1µF
C
0.1µF
A1
B1
Y1
V
GND
3
4
CC
FN6202.3