Part Number	SP339E Datasheet
Manufacturer	Exar
Overview	The SP339 is an advanced multiprotocol transceiver supporting RS-232, RS-485, and RS-422 serial standards in a 40 pin QFN package. Integrated cable termination and four configuration modes allow all t. * Pin selectable Cable Termination * No external resistors required for RS-485/422 termination and biasing * 3.3V or 5V Single Supply Operation * Robust ESD Protection on bus pins * ±15kV IEC 61000-4-2 (Air Gap) * ± 8kV IEC 61000-4-2 (Contact) * ±15kV Human Body Model (HBM) * Max Data Rate of 20Mbps.