SP490 Datasheet | Exar

SP490/491 Full Duplex RS-485 Transceivers Features - +5V Only - Low Power BiCMOS - Driver/Receiver Enable (SP491) - RS-485 and RS-422 Drivers/Receivers - Pin patible with LTC490 and SN75179 (SP490) - Pin patible with LTC491 and SN75180 (SP491) Now Available in Lead Free Packaging DESCRIPTION The SP490 is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 5Mbps. The SP491 is identical to the SP490 with the addition of driver and receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over wide mon mode range. The SP490 is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the...