The SP1490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 20Mbps. The SP1491E is identical to the SP1490E with the addition of driver and receiver tristate enable lines. Both products feature 200mV receiver input sensitivity, over wide common mode range. The SP1490E is available in an 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges. The SP1491E is available in a 14-pin NSOIC packages for operation over the commercial and industrial temperature ranges.