SP491 Overview
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.
Key Features
- Low power BiCMOS
- Driver/receiver enable (SP491)
- RS-485 and RS-422 drivers/receivers
- Pin compatible with LTC490 and SN75179 (SP490)
- Pin compatible with LTC491 and SN75180 (SP491)