SP3221E transceiver equivalent, intelligent +3.0v to +5.5v rs-232 transceiver.
Sipex's proprietary and patented (U.S.-- 5,306,954) on-board charge pump circuitry that generates ±5.5V RS-232 voltage levels from a single +3.0V to +5.5V power supply. T.
such as notebook and palmtop computers. The SP3221E has a high-efficiency, charge-pump power supply that requires only 0.
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