SP3508

更新时间： 2025-08-31 12:19:39

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
36页	914K
描述
Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Termination Resistors

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

SP3508 数据手册

SP3508

Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver

with Programmable DCE/DTE and Termination Resistors

FEATURES

Now Available in Lead Free Packaging

Refer to page 9 for pinout

• Fast 20Mbps Differential Transmission Rates

• Internal Transceiver Termination Resistors

for V.ꢀꢀ & V.35

• Interface Modes:

— RS-232 (V.28)

— X.2ꢀ (V.ꢀꢀ)

— RS-449/V.36

(V.ꢀ0 & V.ꢀꢀ)

— EIA-530 (V.ꢀ0 & V.ꢀꢀ)

— EIA-530A (V.ꢀ0 & V.ꢀꢀ)

— V.35 (V.35 & V.28)

• Protocols are Software Selectable with 3-Bit Word

• Eight (8) Drivers and Eight (8) Receivers

APPLICATIONS

• Router

•Termination Network Disable Option

• Internal Line or Digital Loopback for Diagnostic Testing

• Frame Relay

• CSU

• Certiﬁed conformance to NET1/NET2 and TBR-1

TBR-2 by TUV Rheinland (TBR2/3045ꢀ940.00ꢀ/04)

• Easy Flow-Through Pinout

• +3.3V Only Operation

• DSU

• PBX

• Individual Driver and Receiver Enable/Disable Controls • Secure Communication Terminals

•Operates in either DTE or DCE Mode

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 regulated charge pump allowing +3.3V only

operation. Exar'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.ꢀꢀ 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.ꢀꢀ 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.

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (5ꢀ0)668-70ꢀ7 • www.exar.com

SP3508_ꢀ00_072208

ꢀ

12 3 4 5 6 7...36

中文翻译

下载PDF

与SP3508相关器件

型号	品牌	获取价格	描述	数据表
SP3508CF	SIPEX	获取价格	Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Ter
SP3508CF-L	SIPEX	获取价格	Line Transceiver, 8 Func, 8 Driver, 8 Rcvr, BICMOS, PQFP100, LEAD FREE, MS-026BED, LQFP-10
SP3508CF-L	EXAR	获取价格	Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Ter
SP3508CM	EXAR	获取价格	Line Transceiver, 8 Func, 8 Driver, 8 Rcvr, BICMOS, PQFP100, MS-026BED, LQFP-100
SP3508CM-L	SIPEX	获取价格	暂无描述
SP3508EB	SIPEX	获取价格	Evaluation Board Manual
SP3508EF	SIPEX	获取价格	Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Ter
SP3508EF-L	SIPEX	获取价格	Line Transceiver, 8 Func, 8 Driver, 8 Rcvr, BICMOS, PQFP100, LEAD FREE, MS-026BED, LQFP-10
SP3508EF-L	EXAR	获取价格	Rugged 3.3V, 20Mbps, 8 Channel Multiprotocol Transceiver with Programmable DCE/DTE and Ter
SP350BGRPQ	BANNER	获取价格	EZ-LIGHT Traffic Series: 3-Indicator Daylight VisibleVoltage: 15-30 V dc; Housing: Polycar

产品中心

服务支持

精选活动

关于我们

帮助中心

SP3508

SP3508 数据手册

与SP3508相关器件

与SP3508相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

SP3508

SP3508 数据手册

与SP3508相关器件

与SP3508相关文章

您还可以找

您在本页遇到什么问题？