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SP508, SP508CF, SP508CF-L

Table of contents:
Info of SP508
Info of SP508CF
Info of SP508CF-L

SP508, SP508CF, SP508CF-L Selling Leads, Datasheet

MFG:1200 Package Cooled:06+ D/C:2000

SP508, SP508CF, SP508CF-L Datasheet download

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Part Number: SP508

MFG: 1200

Package Cooled: 06+

D/C: 2000

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SP508 General Description

The SP508 is a monolithic device that supports eight (8) popular serial interface standards for Wide Area Network (WAN) connectivity. The SP508 is fabricated using a low power BiCMOS process technology, and incorporates a Sipex regulated charge pump allowing +5V only operation. Sipex's patented charge pump provides a regulated output of +5.8V, which will provide enough voltage for compliant 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 SP508 requires no additional external components for compliant operation for all of the eight (8) modes of operation other than four capacitors used for the internal charge pump. All necessary termination is integrated within the SP508 and is switchable when V.35 drivers and V.35 receivers, or when V.11 receivers are used. The SP508 provides the controls and transceiver availability for operating as either a DTE or DCE.

Additional features with the SP508 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 driver inputs creating an internal signal path bypassing the serial communications controller for diagnostic testing. The SP508 also includes a latch enable pin with the driver and receiver address decoder. The internal V.11 or V.35 receiver termination can be switched off using a control pin (TERM_OFF) for monitoring applications. All eight (8) drivers and receivers in the SP508 include separate enable pins for added convenience. The SP508 is ideal for WAN serial ports in networking equipment such as routers, access concentrators, network muxes, DSU/CSU's, networking test equipment, and other access devices.

Applicable U.S. Patents-5,306,954; and others patents pending

SP508 Maximum Ratings

Specifications
No. of Tx	8
No. of Rx	8
Data Rate (kbps)	20000
Vcc (V)	5
ESD (KV)	15
Term	Complete
SupportedProtocols	RS232, RS449,EIA530, EIA530A,V.10, V.11, V.28, V.35, V.36,X.21
Comments	Single Chip, 15kV

SP508 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

SP508 Typical Application

Router
Frame Relay
CSU
DSU
PBX
Secure Communication Terminals

SP508 Connection Diagram

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