DESCRIPTION

The SP508E is a monolithic device that supports eight (8) popular serial interface standards for Wide Area Network (WAN) connectivity. The SP508E is fabricated using a low power BiCMOS process technology, and incorporates an Exar regulated charge pump allowing +5V only operation. Exars patented charge pump provides a regulated output of +5.8V, which will provide enough voltage for compliant operation in all modes.

FEATURES

• 20Mbps Differential Transmission Rates

• 15kV ESD Tolerance for Analog I/Os

• Internal Transceiver Termination Resistors for V.11/V.35

• Interface Modes:

– RS-232 (V.28) – EIA-530 (V.10 & V.11)

– X.21 (V.11) – EIA-530A (V.10 & V.11)

– RS-449/V.36 – V.35

(V.10 & V.11)

• Software Selectable Protocols with 3-Bit Word

• Eight Drivers and Eight Receivers

• V.35/V.11 Receiver Termination Network Disable Option

• Internal Line or Digital Loopback Testing

• Adheres to NET1/NET2 and TBR-2 Requirements Refer to page 7 for pinout

• Easy Flow-Through Pinout

• +5V Only Operation

• Individual Driver/Receiver Enable/Disable Controls

• Operates in DTE or DCE Mode

APPLICATIONS

• Router

• Frame Relay

• CSU

• DSU

• PBX

• Secure Communication Terminals