Datasheet > CS20N60

CS20N60

更新时间： 2022-06-06 09:58:15

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描述
3.3V, Low Power, 30Mbps, RS-485/RS-422 Transceiver

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CS20N60 数据手册

ISL43485

Data Sheet

March 15, 2005

FN6071.1

3.3V, Low Power, 30Mbps, RS-485/RS-422

Transceiver

The Intersil ISL43485 is a high speed BiCMOS 3.3V

powered, single transceiver that meets both the RS-485 and

RS-422 standards for balanced communication. Unlike

some competitive devices, this Intersil transceiver is

specified for 10% tolerance supplies (3V to 3.6V).

Features

• High Data Rate. . . . . . . . . . . . . . . . . . . . . . up to 30Mbps

• Operates from a Single +3.3V Supply (10% Tolerance)

• Interoperable with 5V Logic

• Single Unit Load Allows up to 32 Devices on the Bus

• Low Current Shutdown Mode. . . . . . . . . . . . . . . . . . 15nA

• -7V to +12V Common Mode Input Voltage Range

• Three State Rx and Tx Outputs

Data rates up to 30Mbps are achievable by using this

transceiver, which features higher slew rates.

Logic inputs (e.g., DI and DE) accept signals in excess of

5.5V, making them compatible with 5V logic families.

• 10ns Propagation Delay, 1ns Skew

• Half Duplex Pinout

Receiver (Rx) inputs feature a “fail-safe if open” design,

which ensures a logic high output if Rx inputs are floating,

and the ISL43485 presents a “single unit load” to the RS-485

bus, which allows up to 32 transceivers on the network.

• Current Limiting and Thermal Shutdown for driver

Overload Protection

• Pb-Free Available (RoHS Compliant)

Driver (Tx) outputs are short circuit protected, even for

voltages exceeding the power supply voltage. Additionally,

on-chip thermal shutdown circuitry disables the Tx outputs to

prevent damage if power dissipation becomes excessive.

Applications

• SCSI “Fast 20” Drivers and Receivers

• Factory Automation

Pinout

• Data Loggers

ISL43485 (SOIC)

TOP VIEW

• Security Networks

• Building Environmental Control Systems

• Industrial/Process Control Networks

• Level Translators

B/Z

A/Y

GND

Ordering Information

PART NO.

TEMP.

PKG.

(BRAND)

RANGE (°C)

PACKAGE

8 Ld SOIC

DWG. #

ISL43485IB

(43485IB)

-40 to 85

M8.15

ISL43485IBZ

(43485IB) (Note)

8 Ld SOIC (Pb-free)

ISL43485IB-T

(43485IB)

8 Ld SOIC

Tape and Reel

ISL43485IBZ-T

(43485IB) (Note)

8 Ld SOIC

Tape and Reel (Pb-free)

NOTE: Intersil Pb-free products employ special Pb-free material sets;

molding compounds/die attach materials and 100% matte tin plate

termination finish, which are RoHS compliant and compatible with

both SnPb and Pb-free soldering operations. Intersil Pb-free products

are MSL classified at Pb-free peak reflow temperatures that meet or

exceed the Pb-free requirements of IPC/JEDEC J STD-020.

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

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

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

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