SP3223 - Intelligent +3.0V to +5.5V RS-232 Transceivers
The SP3223 and SP3243 products are RS-232 transceiver solutions intended for portable or hand-held applications such as notebook and palmtop computers.
The SP3223 and SP3243 use an internal high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation.
This charge p
