Description
Datasheet ICL3221EM, ICL3221EF ±15kV ESD Protected, +3.3V, 1µA, 250kbps, RS-232 Transmitters/Receivers The ICL3221EM and ICL3221EF devices are 3.3V .
Features
* of the ICL3221EM and ICL3221EF. Related Literature
For a full list of related documents, visit our website:
* ICL3221EM, ICL3221EF device pages
Features
* ESD protection for RS-232 I/O pins to ±15kV (IEC61000)
* RS-232 compatible with VCC = 2.7V
* Meets EIA/TIA-232 a
Applications
* Any system requiring RS-232 communication ports ○ Battery powered, hand-held, and portable equipment ○ Modems, printers, and other peripherals
TTL/CMOS Logic Levels
+3.3V
+ 0.1µF
C1 0.1µF
C2 0.1µF
2 +
C1+
4 C1-
5 +
C2+
6 C2-
11 T1IN
R1OUT
9
1 EN
15 VCC
T1
R1
3 V+
+ C3 0.1µ