ISL4238E Datasheet, PDF (5/17 Pages) Intersil Corporation – QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 10Nanoamp, 250kbps/1Mbps, RS-232 Transceivers with Enhanced Automatic Power-down

ISL4238E, ISL4244E, ISL4245E
Typical Operating Circuits (Continued)
ISL4244E, ISL4245E
+3.3V
+
0.1µF
26
C₁
0.1µF
28
+ ^C1+
23 _C1-
V_CC
V+
C₂
0.1µF
29
+
C2+
30 _C2-
V-
12
T₁
T1_IN
11
T₂
T2_IN
10
T₃
T3_IN
27 _{+ C3}
0.1µF
31 _C4
+0.1^µF
6
T1_OUT
7
T2_OUT
8
T3_OUT
RS-232
LEVELS
TTL/CMOS
LOGIC LEVELS
19
R2_OUTB
18
R1_OUT
1
R1_IN
R₁
5kΩ
17
R2_OUT
2
R2_IN
R₂
5kΩ
15
R3_OUT
R₃
14
R4_OUT
R₄
R5_OUT
13
22
R₅
FORCEON
3
5kΩ
4
5kΩ
5
5kΩ
R3_IN
R4_IN
R5_IN
RS-232
LEVELS
V_CC
TO POWER
CONTROL LOGIC
21
FORCEOFF
20
INVALID ^GND
24
5
FN8038.5
May 13, 2010