Datasheet > ISL33357EIRZ

ISL33357EIRZ

更新时间： 2024-11-06 00:54:31

品牌	Logo	应用领域
英特矽尔 - INTERSIL		接口集成电路
页数	文件大小	规格书
23页	775K
描述
Full fail-safe (open/short) RS-485/422 port 2 Rx

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中文翻译

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ISL33357EIRZ 数据手册

DATASHEET

5V, ±15kV ESD Protected, Two Port, Dual Protocol

(RS-232/RS-485) Transceivers

ISL33354E, ISL33357E

Features

The ISL33354E, ISL33357E are two port interface ICs where

port 1 is configured as a dual (2 Tx, 2 Rx) RS-232 transceiver,

and port 2 is a single RS-485/422 transceiver.

• ±15kV (HBM) ESD protected bus pins (RS-232 or RS-485)

• Operates from a single 5V supply

• Two independent ports: port 1 set for RS-232 (2 transceivers)

and port 2 for RS-485/RS-422 (1 transceiver)

An on-board charge pump generates RS-232 compliant ±5V Tx

output levels from a single V supply as low as 4.5V. The

• True flow-through pinouts (Rx inputs and Tx outputs all on

the same side) simplify board layouts

transceivers are RS-232 compliant, with the Rx inputs

handling up to ±25V.

• Pb-free (RoHS compliant)

The port 2 transceiver supports both the RS-485 and RS-422

differential communication standards. The receiver features

"full fail-safe" operation, so the Rx output remains in a high

state if the inputs are open or shorted together. The

transmitter supports two data rates, one of which is slew rate

limited for problem free communication at low data rates. The

active low Rx enable pin (RE485) allows Tx/Rx direction

control, via a single signal, simply by connecting the

corresponding DE485 and RE485 pins together.

• Full fail-safe (open/short) RS-485/422 port 2 Rx

• User selectable RS-485 data rates

- Fast speed. . . . . . . . . . . . . . . . . . . . . . . . . . . . up to 20Mbps

- Slew rate limited . . . . . . . . . . . . . . . . . . . . . . up to 115kbps

• Fast RS-232 data rate . . . . . . . . . . . . . . 460kbps (Minimum)

• Small charge pump capacitors . . . . . . . . . . . . . . . . 4 x 0.1µF

• Low current shutdown mode . . . . . . . . . . . . . . . . . . . . . . 55µA

• QFN package saves board space (ISL33357E only)

The ISL33354E and ISL33357E also include a shutdown

function, which disables the Tx and Rx outputs, disables the

charge pumps and places the IC in a low current (55µA) mode.

Applications

• Gaming applications (e.g., slot machines)

The ISL33357E is a QFN packaged device for space

constrained applications.

• Single board computers

Related Literature

• For a full list of related documents, visit our website

- ISL33354E, ISL33357E product pages

• Factory automation

• Security networks

• Industrial/process control networks

• Level translators (e.g., RS-232 to RS-422)

• Point-of-sale equipment

TABLE 1. SUMMARY OF FEATURES

PORT 2

RS-485 DATA RATE

PORT 1

RS-232 DATA RATE

PORT 2

RS-485 Rx AND Tx

LOW POWER

SHUTDOWN?

PART NUMBER

ISL33354E

PACKAGE OPTION

28 Ld SSOP

20M, 115k

650k

YES

ISL33357E

40 Ld QFN (6 x 6mm)

October 21, 2016

FN8775.1

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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与ISL33357EIRZ相关器件

型号	品牌	获取价格	描述	数据表
ISL33357EIRZ-T	INTERSIL	获取价格	Full fail-safe (open/short) RS-485/422 port 2 Rx
ISL33357EIRZ-T7A	INTERSIL	获取价格	Full fail-safe (open/short) RS-485/422 port 2 Rx
ISL34321	INTERSIL	获取价格	16-Bit Long-Reach Video SERDES with Bi-directional Side-Channel
ISL34321INZ	INTERSIL	获取价格	16-Bit Long-Reach Video SERDES with Bi-directional Side-Channel
ISL34321INZ	RENESAS	获取价格	SPECIALTY INTERFACE CIRCUIT, PQFP48, 7 X 7 MM, ROHS COMPLIANT, PLASTIC, MS-026ABC-HD, TQFP
ISL34321INZ-T13	RENESAS	获取价格	SPECIALTY INTERFACE CIRCUIT, PQFP48, 7 X 7 MM, ROHS COMPLIANT, PLASTIC, MS-026ABC-HD, TQFP
ISL34340	INTERSIL	获取价格	WSVGA 24-Bit Long-Reach Video Serdes with Bidirectional Side-Channel
ISL34340_0806	INTERSIL	获取价格	WSVGA 24-Bit Long-Reach Video SERDES with Bidirectional Side-Channel
ISL34340INZ	INTERSIL	获取价格	WSVGA 24-Bit Long-Reach Video Serdes with Bidirectional Side-Channel
ISL34340INZ	RENESAS	获取价格	SPECIALTY INTERFACE CIRCUIT, PQFP64, 10 X 10 MM, ROHS COMPLIANT, PLASTIC, MS-026ACD-HU, TQ

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