DESCRIPTION

The SP504 is a single chip device that supports eight (8) physical serial interface standards for Wide Area Network connectivity. The SP504 is fabricated using a low power BiCMOS process technology, and incorporates an Exar patented (5,306,954) charge pump allowing +5V only operation. Seven (7) drivers and seven (7) receivers can be confgured via software for any of the above interface modes at any time. The SP504 is suitable for DTE-DCE applications. The SP504 requires only one external resistor per V.35 driver for compliant V.35 Operation.

• +5V Only

• Seven (7) Drivers and Seven (7) Receivers

• Driver and Receiver Tri-State Control

• Reduced V.35 Termination Network

• Pin Compatible with the SP503

• Software Selectable Interface Modes:

-RS-232E (V.28)

-RS-422A (V.11, X.21)

-RS-449 (V.11 & V.10)

-RS-485

-V.35

-EIA-530 (V.11 & V.10)

-EIA-530A (V.11 & V.10)

-V.36