Datasheet > SP508_05

SP508_05

更新时间： 2024-02-01 19:05:42

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
30页	248K
描述
Rugged 20Mbps, 8 Channel Multi-Protocol Transceiver with Programmable DCE/DTE and Termination Resistors

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SP508_05 数据手册

SP508

Rugged 20Mbps, 8 Channel Multi-Protocol Transceiver

with Programmable DCE/DTE and Termination Resistors

FEATURES

Now Available in Lead Free Packaging

■ 20Mbps Differential Transmission Rates

Refer to page 7 for pinout

■ 15kV ESD Tolerance for Analog I/Os

■ Internal Transceiver Termination Resistors

for V.11/V.35

■ Easy Flow-Through Pinout

■ +5V Only Operation

■ Interface Modes:

■ Individual Driver/Receiver Enable/Disable Controls

■ Operates in DTE or DCE Mode

■ 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

APPLICATIONS

■ Router

■ Software Selectable Protocols with 3-Bit Word

■ Eight Drivers and Eight Receivers

■ Frame Relay

■ CSU

■ V.35/V.11 Receiver Termination Network

■ DSU

Disable Option

■ PBX

■ Internal Line or Digital Loopback Testing

■ Secure Communication Terminals

■ Adheres to NET1/NET2 and TBR-2 Requirements

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)

receiverscanbeconfiguredviasoftwareforanyoftheaboveinterfacemodesatanytime. 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

necessaryterminationisintegratedwithintheSP508andisswitchablewhenV.35driversand

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

Date: 1/19/05

SP508 Enhanced WAN Multi–Protocol Serial Transceiver

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SP50860.106OHMS0.005%	VISHAY	获取价格	Fixed Resistor, Wire Wound, 0.3W, 0.106ohm, 150V, 0.005% +/-Tol, -30,30ppm/Cel, 3010
SP50860.106OHMS0.01%	VISHAY	获取价格	Fixed Resistor, Wire Wound, 0.3W, 0.106ohm, 150V, 0.01% +/-Tol, -30,30ppm/Cel, 3010
SP50860.106OHMS0.02%	VISHAY	获取价格	Fixed Resistor, Wire Wound, 0.3W, 0.106ohm, 150V, 0.02% +/-Tol, -30,30ppm/Cel, 3010
SP50860.106OHMS0.05%	VISHAY	获取价格	Fixed Resistor, Wire Wound, 0.3W, 0.106ohm, 150V, 0.05% +/-Tol, -30,30ppm/Cel, 3010
SP50860.106OHMS0.1%	VISHAY	获取价格	Fixed Resistor, Wire Wound, 0.3W, 0.106ohm, 150V, 0.1% +/-Tol, -30,30ppm/Cel, 3010

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