SP506

更新时间： 2024-11-25 22:42:51

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
21页	378K
描述
5V, Single Chip WAN Multi-Mode Serial Transceiver

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SP506 数据手册

SP506

5V, Single Chip WAN Multi-Mode SerialTransceiver

■ Interface Modes Supported:

■ RS-232 ^(V.28)

■ X.21/RS-422 (V.11)

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

■ RS-449 (V.10 & V.11) ■ V.35 (V.35 & V.28)

■ V.36 (V.10 & V.11)

■ RS-485 (unterminated V.11)

■ Software Selectable Protocol

■ Highest Differential Transmission Rates

at over 20Mbps

■ +5V Only Operation

■ Seven (7) Drivers and Seven (7) Receivers

■ Driver and Receiver Tri-state Control

■ Internal Transceiver Termination Resistors for

V.11 and V.35 Protocols

■ Loopback Self-Test Mode

■ Improved ESD Tolerance for Analog I/Os

■ Compliant to NET1/2 and TBR2 Physical Layer

Requirements

■ Used in WAN Serial Ports in Routers, Switches,

DSU/CSU's and other Access Devices

DESCRIPTION

The SP506 is a monolithic IC that supports eight (8) popular serial interface standards for DTE

to DCE connectivity. The SP506 is pin-to-pin compatible to our SP505 multi-protocol transceiver

butwithfasterthroughput.Theseven(7)driversandseven(7)receiverscantransmitandreceive

signals at 20Mbps. As with the SP505, the SP506 requires no additional external components

for compliant operation for all of the eight (8) modes of operation. All necessary termination is

integrated within the SP506 and is switchable when V.35 drivers, V.35 receivers, and V.11

receivers are used. The SP506 can operate as either a DTE or DCE.

Additional features with the SP506 include internal loopback that can be initiated in either single-

ended or differential modes. While in loopback mode, driver outputs are internally connected to

receiver inputs creating an internal signal path convenient for diagnostic testing. This eliminates

theneedforanexternalloopbackplug. TheSP506alsoincludesalatchenablepinwiththedriver

and receiver address decoder. Tri-state ability for the driver and receiver outputs is controlled by

supplying a 4-bit word into the address decoder. Seven (7) drivers and one (1) receiver in the

SP506 include separate enable pins for added convenience.

V.35

EIA-530

WAN

Rev: A Date: 1/27/04

SP506 Multi–Mode Serial Transceiver

12 3 4 5 6 7...21

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