SP3508 Datasheet | Sipex

FEATURES - Fast 20Mbps Differential Transmission Rates - Internal Transceiver Termination Resistors for V.11 & V.35 - Interface Modes: ✓ RS-232 (V.28) ✓ X.21 (V.11) ✓ RS-449/V.36 (V.10 & V.11) ✓ EIA-530 (V.10 & V.11) ✓ EIA-530A (V.10 & V.11) ✓ V.35 (V.35 & V.28) Now Available in Lead Free Packaging Refer to page 9 for pinout - Protocols are Software Selectable with 3-Bit Word - Eight (8) Drivers and Eight (8) Receivers - Termination Network Disable Option - Internal Line or Digital Loopback for Diagnostic Testing - Adheres to NET1/NET2 and TBR-2 pliancy Requirements - Easy Flow-Through Pinout - +3.3V Only Operation - Individual Driver and Receiver Enable/Disable Controls - Operates in either DTE or DCE Mode APPLICATIONS - Router - Frame Relay - CSU - DSU - PBX - Secure munication Terminals DESCRIPTION The SP3508 is a monolithic device that supports eight (8) popular serial interface standards for Wide Area Network (WAN) connectivity. The SP3508 is fabricated using a low power Bi CMOS process technology, and incorporates a Sipex regulated charge pump allowing +3.3V only operation. Sipex's patented charge pump provides a regulated output of +5.5V, which will provide enough voltage for pliant operation in all modes. Eight (8) drivers and eight (8) receivers can be configured via software for any of the above interface modes at any time. The SP3508 requires no additional external ponents for pliant operation for all of the eight (8) modes of operation other than six capacitors used for the internal charge pump. All necessary termination is integrated within the SP3508 and is switchable when V.35 drivers and V.35 receivers, or when V.11 receivers are used. The SP3508 provides the controls and transceiver availability for operating as either a DTE or DCE. Additional features with the SP3508 include internal loopback that can be initiated in any of the operating modes by use of the LOOPBACK pin. While in loopback mode, receiver outputs are internally connected to...