ISL4221E Intersil Corporation, ISL4221E Datasheet - Page 3

• Manufacturer Part Number: ISL4221E
• Description: QFN Packaged, +/-15kV Esd Protected, +2.7V to +5.5V, 150Nanoamp, 250kBps, RS-232 Transmitters/receivers
• Manufacturer: Intersil Corporation

Typical Operating Circuits
LOGIC LEVELS
TTL/CMOS
3
TTL/CMOS
LEVELS
LOGIC
+3.3V
+3.3V
0.1µF
0.1µF
R1
R2
0.1µF
0.1µF
R1
C
C
T1
T2
OUT
OUT
1
2
C
C
T1
OUT
IN
IN
1
2
IN
+
20
11
10
13
19
ISL4221E, ISL4223E
+
16
+
+
+
+
12
15
10
2
3
4
8
2
4
0.1µF
0.1µF
9
7
3
FORCEON
C1+
C1-
C2+
C2-
EN
FORCEON
C1+
C1-
C2+
C2-
EN
ISL4221E
ISL4223E
GND
GND
V
V
R
R
R
CC
CC
1
2
1
T
T
T
13
17
FORCEOFF
FORCEOFF
16
1
12
1
2
INVALID
INVALID
5kΩ
5kΩ
5kΩ
V+
V+
V-
V-
1
5
11
6
14
8
15
14
1
5
6
7
18
9
+ C
T1
R1
TO POWER
CONTROL LOGIC
+ 0.1µF
+ C
TO POWER
CONTROL LOGIC
+
0.1µF
C
V
OUT
0.1µF
C
0.1µF
IN
T1
T2
R1
R2
V
3
4
CC
3
4
CC
OUT
OUT
IN
IN
RS-232
LEVELS
RS-232
LEVELS