參數(shù)資料
型號(hào)： SP3508EB
英文描述： Evaluation Board Manual
中文描述： 評(píng)估板手冊(cè)
文件頁(yè)數(shù)： 1/33頁(yè)
文件大小： 313K
代理商： SP3508EB
1
Date: 06/14/04
SP3508 Enhanced WAN Multi–Mode Serial Transceiver Copyright 2004 Sipex Corporation
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)
■
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 Compliancy
Requirements
■
Easy Flow-Through Pinout
■
+3.3V Only Operation
■
Individual Driver and Receiver Enable/Disable Controls
■
Operates in either DTE or DCE Mode
EIA-530 (V.10 & V.11)
EIA-530A (V.10 & V.11)
V.35 (V.35 & V.28)
SP3508
Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver
with Programmable DCE/DTE and Termination Resistors
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
BiCMOS 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 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 SP3508 requires no additional external components for compliant 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 driver inputs creating an internal signal path bypassing the serial
communications controller for diagnostic testing. The SP3508 also includes a latch enable pin
with the driver and receiver address decoder. The internal V.11 or V.35 termination can be
switched off using a control pin (TERM_OFF) for monitoring applications. All eight (8) drivers and
receivers in the SP3508 include separate enable pins for added convenience. The SP3508 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
PRELIMINARY
APPLICATIONS
■
Router
■
Frame Relay
■
CSU
■
DSU
■
PBX
■
Secure Communication Terminals
Now Available in Lead Free Packaging
Refer to page 9 for pinout
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP3508EF 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Termination Resistors
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SP350GYRA120 制造商:Banner Engineering 功能描述:EZ-LIGHT Traffic Series; 3-Indicator Daylight Visible Voltage; 85-130 VAC
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