SP3223EU - Intelligent +3.0V to +5.5V RS-232 Transceivers
The SP3223 products are RS-232 transceiver solutions intended for portable applications such as notebook and hand held computers.
These products use an internal high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation.
This charge pump and Exar's driver arc
SP3223EU Features
* Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply
* Interoperable with EIA/TIA-232 and EN 1 C1+ 2 20 SHUTDOWN 19 Vcc adheres to EIA/TIA-562 down to a +2.7V V+ 3 18 GND power source
* AUTO ON-LINE® circuitry automatically wakes up from a 1µA shutdo
