Datasheet > SN65HVD256

SN65HVD256

更新时间： 2024-09-25 09:17:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
26页	700K
描述
CAN Transceiver with Fast Loop Times for Highly Loaded Networks

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SN65HVD256 数据手册

SN65HVD255

SN65HVD256, SN65HVD257

www.ti.com

SLLSEA2B –DECEMBER 2011–REVISED JUNE 2012

CAN Transceivers with Fast Loop Times for Highly Loaded Networks and Features For

Functional Safety Networks

Check for Samples: SN65HVD255, SN65HVD256, SN65HVD257

FEATURES

DESCRIPTION

This CAN transceiver meets the ISO1189-2 High

Speed CAN (Controller Area Network) Physical Layer

standard. It is designed for data rates in excess of 1

megabit per second (Mbps) in short networks, and

enhanced timing margin and higher data rates in long

and highly-loaded networks. The device provides

many protection features to enhance device and

CAN-network robustness. The SN65HVD257 adds

additional features, allowing easy design of redundant

and multi-topology networks with fault indication for

higher levels of functional safety in the CAN system.

•

Meets the Requirements of ISO11898-2

'Turbo CAN': Short Propagation Delay Times

and Fast Loop Times; Higher Data Rates in

Network; Enhances System Timing Margins

•

I/O Voltage Range Supports 3.3V and 5V MCUs

Ideal Passive Behavior When Unpowered

–

Bus Pins are High Impedance (no load to

operating bus)

–

Logic Pins are High Impedance

Power Up/Down With Glitch Free Operation

On Bus

NC / V_RXD/ FAULT (See Note A)

V_CC

FAULT LOGIC

•

Protection Features:

MUX (See Note A)

V_CC

OVER

TEMPERATURE

–

ESD Protection of Bus Pins

HBM ESD Protection Exceeds ±12kV

V_CC

–

CANH

CANL

DOMINANT

TIME OUT

TXD

–

Bus Fault Protection –27V to 40V

Undervoltage Protection on Supply Pins

Driver Dominant Time Out (TXD DTO)

MODE SELECT

SN65HVD257: Receiver Dominant Time Out

(RXD DTO)

UNDER

VOLTAGE

–

SN65HVD257: FAULT Output Pin

Thermal Shutdown Protection

V_CCor V_RXD(See Note B)

DOMINANT

TIME OUT

(See Note B)

LOGIC

OUTPUT

RXD

•

Characterized for –40°C to 125°C Operation

GND

APPLICATIONS

A. Pin 5 function is device dependent; NC on

SN65HVD255, V_RXDfor RXD output level-

shifting device on SN65HVD256, and

FAULT Output on SN65HVD257

•

1Mbps Operation in Highly Loaded CAN

Networks Down to 10kbps Networks Using

TXD DTO

B. RXD logic output is driven to 5V V_CCon

5V-only supply devices (SN65HVD255,

SN65HVD257) and driven to V_RXDon

output level-shifting device (SN65HVD256).

•

Industrial Automation, Control, Sensors and

Drive Systems

•

Building and Climate Control Automation

Security Systems

C. RXD (Receiver) Dominant State Time Out

is a device dependent option available only

on SN65HVD257.

Telecom Base Station Status and Control

SN65HVD257: Functional Safety With

Redundant and Multi-topology CAN networks

Figure 1. Functional Block Diagram

•

CAN Bus Standards Such as CANopen,

DeviceNet, NMEA2000, ARNIC825, ISO11783,

CAN Kingdom, CANaerospace

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

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与SN65HVD256相关器件

型号	品牌	获取价格	描述	数据表
SN65HVD256D	TI	获取价格	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features
SN65HVD256DR	TI	获取价格	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features
SN65HVD257	TI	获取价格	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features
SN65HVD257D	TI	获取价格	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features
SN65HVD257DR	TI	获取价格	Turbo CAN Transceivers for Higher Data Rates and Large Networks Including Features
SN65HVD30	TI	获取价格	3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
SN65HVD30_07	TI	获取价格	3.3V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
SN65HVD30_08	TI	获取价格	3.3 V FULL-DUPLEX RS-485 DRIVERS AND RECEIVERS
SN65HVD3080E	TI	获取价格	LOW-POWER RS-485 FULL-DUPLEX DRIVERS/RECEIVERS
SN65HVD3080E_07	TI	获取价格	LOW-POWER RS-485 FULL-DUPLEX DRIVERS/RECEIVERS

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