ST3485EBDR datasheet(1/16 Pages) STMICROELECTRONICS

部品番号	ST3485EBDR

部品情報	3.3V POWERED, 15KV ESD PROTECTED, TRASMIT AT UP TO 12MBPS TRUE RS-485/RS-422 TRANSCEIVER

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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October 2002

s

ESD PROTECTION:

±15KV HUMAN BODY MODEL

±8KV IEC 1000-4-2 CONTACT DISCHARGE

s

OPERATE FROM A SINGLE 3.3V SUPPLY -

NO CHARGE PUMP REQUIRED

s

INTEROPERABLE WITH 5V LOGIC

s

1

µA LOW CURRENT SHUTDOWN MODE

MAX

s

GUARANTEED 12 Mbps DATA RATE

s

-7 TO 12 COMMON MODE INPUT VOLTAGE

RANGE

s

HALF DUPLEX VERSIONS AVAILABLE

s

INDUSTRY STANDARD 75176 PINOUT

s

CURRENT LIMITING AND THERMAL

SHUTDOWN FOR DRIVER OVERLOAD

PROTECTION

s

GUARANTEED HIGH RECEIVER OUTPUT

STATE FOR FLOATING INPUTS WITH NO

SIGNAL PRESENT

s

ALLOW UP TO 64 TRANSCEIVERS ON THE

BUS

DESCRIPTION

The ST3485E is ±15kV ESD protected, 3.3V low

power

transceiver

for

RS-485

and

RS-422

communications. The device contains one driver

and one receiver in half duplex configuration. The

ST3485E transmit and receive at guaranteed data

rate at least to 12Mbps.

All transmitter outputs and receiver inputs are

protected to ±15kV using Human Body Model.

Driver is short-circuit current limited and is

protected against excessive power dissipation by

thermal shutdown circuitry that place the driver

outputs into a high-impedance state.

The ST3485E input has a true fail-safe feature

that guarantees a logic high output if both inputs

are open circuit, shorted together or in presence of

the termination with no signal on the bus.

ORDERING CODES

Type

Temperature

Range

Package

Comments

ST3485ECN

0 to 70 °C

DIP-8

50parts per tube / 40tube per box

ST3485EBN

-40 to 85 °C

DIP-8

50parts per tube / 40tube per box

ST3485ECD

0 to 70 °C

SO-8 (Tube)

100parts per tube / 20tube per box

ST3485EBD

-40 to 85 °C

SO-8 (Tube)

100parts per tube / 20tube per box

ST3485ECDR

0 to 70 °C

SO-8 (Tape & Reel)

2500 parts per reel

ST3485EBDR

-40 to 85 °C

SO-8 (Tape & Reel)

2500 parts per reel

ST3485E

3.3V POWERED, 15KV ESD PROTECTED, TRASMIT AT

UP TO 12MBPS TRUE RS-485/RS-422 TRANSCEIVER

DIP

SOP

同様の部品番号 - ST3485EBDR

メーカー	部品番号	データシート	部品情報
STMicroelectronics	ST3485EBDR	336Kb / 22P	3.3V Powered, 15KV ESD protected, Up to 12Mbps RS-485/RS-422 transceiver 07-Apr-2006
	ST3485EBDR	823Kb / 22P	3.3 V powered, 15 kV ESD protected, up to 12 Mbps RS-485/RS-422 transceiver 12-Nov-2007
	ST3485EBDR	441Kb / 24P	3.3 V powered, 15 kV ESD protected, up to 12 Mbps RS-485/RS-422 transceiver Rev 11
TECH PUBLIC Electronics...	ST3485EBDR	3Mb / 9P	Low-Power,Slew-Rate-Limited RS-485/RS-422 Transceivers
Guangdong Youtai Semico...	ST3485EBDR	1Mb / 12P	3.3V power supply, up to 256 nodes, 12Mbps half-duplex, RS485/RS422 transceiver

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同様の説明 - ST3485EBDR

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