ISL4238E Datasheet, PDF (4/17 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
ISL4238E
+3.3V
(NOTE)
C₁
0.1µF
C₂
0.1µF
+
0.1µF
28
+ ^C1+
24 _C1-
29
+
C2+
31 _C2-
23
T1_IN
26
V_CC
T₁
22
T₂
T2_IN
21
T₃
T3_IN
18
T₄
T4_IN
15
T₅
T5_IN
TTL/CMOS
LOGIC
14
LEVELS _R1OUTB
V+
27 _{+ C3}
0.1µF
(NOTE)
V- ^{32 C}4
+0.1^µF
1
T1_OUT
2
T2_OUT
3
T3_OUT
6
RS-232
LEVELS
T4_OUT
8
T5_OUT
20
4
R1_OUT
R1_IN
R₁
5kΩ
19
5
R2_OUT
R2_{IN RS-232}
R₂
5kΩ
LEVELS
17
R3_OUT
R₃
10
FORCEON
7
R3_IN
5kΩ
V_CC
11
FORCEOFF
TO POWER
CONTROL
LOGIC
12
INVALID
GND
30
NOTE: For V_CC = 3.15V (3.3V -5%), use C₁ to C₄ = 0.1µF or greater. For V_CC = 3.0V (3.3V -10%), use C₁ to C₄ = 0.22µF or greater.
4
FN8038.5
May 13, 2010