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SP336EEY-L-TR

更新时间： 2024-11-06 12:47:03

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
30页	1082K
描述
3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER

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SP336EEY-L-TR 数据手册

SP336E

3.3V / 5V PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER

JANUARY 2011

REV. 1.0.1

FEATURES

GENERAL DESCRIPTION

• 3.3V or 5V Single Supply Operation

The SP336E is a monolithic serial multi-transceiver

device that contains both RS-232 and RS-485/RS-

422 line drivers and receivers. The configuration of

the SP336E can be reconfigured into eight operating

modes including RS-232 only (4TX/4RX), RS-485/

RS-422 only (2TX/2RX) full or half duplex, two RS-

232/RS-485 mixed modes. two shutdown modes and

a diagnostic loop-back mode. Modes may be

selected at any time by changing the logic state of the

three MODE pins. The device can implement a dual-

mode serial port, mixed mode ports or as an interface

signal translator. The Exar charge pumps deliver true

RS-232 driver output voltages from a single power

supply at either 3.3V or 5V. The SP336E requires

only four 0.1μF capacitors for charge pump. A slew

rate control pin configures driver outputs for either

high data rate or slew-controlled data rates. Slew-

controlled outputs minimize problems with reflections

and ringing on long or un-terminated cables. All RS-

485 receivers or transceivers feature high impedance

which allow up to 256 transceivers on a shared bus.

When configured in RS-485/RS-422 mode, each

driver may be individually enabled or put into tri-state,

simplifying use on shared buses or bidirectional

communication. All receivers have advanced failsafe

protection to prevent oscillation when inputs are un-

connected. In RS-232 mode each receiver input has

a 5k ohm pull-down to ground. Differential Receivers

will default to output logic 1 if inputs are floating,

shorted or open but terminated. All driver outputs and

receiver inputs are protected against ESD strikes up

to +/-15,000 volts.

• Robust +/-15kV ESD Protection (IEC 61000-4-2 Air

Gap)

• Software Selectable Mode Selection

• Up to 4 Drivers, 4 Receivers RS-232/V.28

• Up to 2 Drivers, 2 Receivers RS-485/RS-422

■ Full or Half Duplex Configurations

■ 1/8th Unit Load, up to 256 receivers on bus

• Mixed RS-232/RS-485 modes

• Pin Programmable Slew Rate for Reduced EMI

• RS-485 Advanced Failsafe on Open, Short or

Terminated Lines

• Diagnostic Loop-Back Function

• 28 Pin SOIC or TSSOP Packaging

TYPICAL APPLICATIONS

• Factory Automation Equipment

• Security Networks

• Industrial/Process Control Networks

• Point-Of-Sales Equipment

• Gaming Machines

• Serial Protocol Translators (ex. RS-232 to RS-485/

RS-422)

• Embedded Industrial PC’s

• Building Environmental Control Systems (ex.

HVAC)

• Cable Repeaters / Port Extenders / Hubs

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com

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与SP336EEY-L-TR相关器件

型号	品牌	获取价格	描述	数据表
SP3374NUTG	LITTELFUSE	获取价格	Trans Voltage Suppressor Diode, 1000W, 3.3V V(RWM), Unidirectional, 1 Element, Silicon, MO
SP3-3-75	RHOMBUS-IND	获取价格	SP3 Series Mini-SIP Passive Delay Modules
SP337E	EXAR	获取价格	3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER
SP337EBCT-L	EXAR	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28, SOIC-28
SP337EBCY-L	EXAR	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28, TSSOP-28
SP337EBET-0A-EB	EXAR	获取价格	3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER
SP337EBET-L	EXAR	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28, SOIC-28
SP337EBEY-L	EXAR	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28, TSSOP-28
SP337EEY-L	EXAR	获取价格	3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER
SP337EUCT-L	EXAR	获取价格	Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28, SOIC-28

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