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ICL3221EM RS-232 transmitter-receiver

The ICL3221EM device introduced by Intersil is a 3.0V powered RS-232 transmitter-receiver which meet ElA/TIA-232 and V.28/V.24 specifications.

ICL3221EM provide ±15kV on transmitter outputs and receiver inputs  . The schematic circuit design of the ICL3221EM is very simple and the IC can be used in many applications to interconnect a device and a PC or to transmit data to a PC or other device over a serial port .

The ICL3221EM is compatible with MAX3221E IC manufactured by MAXIM Semiconductor and has many other features like :  ESD Protection for RS-232 I/O Pins to ±15kV ,  RS-232 Compatible with VCC = 2.7V , Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V,  On-Chip Voltage Converters Require Only Four External 0.1µF Capacitors , power Supply Range 3.0V to  3.6V .

ICL3221EM RS-232 transmitter/receiver circuit

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