Datasheet > MC33990DR2

MC33990DR2

更新时间： 2024-10-02 00:01:07

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		驱动器接口集成电路光电二极管
页数	文件大小	规格书
17页	459K
描述
Enhanced Class B Serial Transceiver

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数据手册

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MC33990DR2 数据手册

Freescale Semiconductor, Inc.

MOTOROLA

Document order number: MC33990/D

Rev 1.0, 2/2003

SEMICONDUCTOR TECHNICAL DATA

Advance Information

33990

Enhanced Class B Serial

Transceiver

The 33990 is a serial transceiver designed to provide bi-directional half-

duplex communication meeting the automotive SAE Standard J-1850 Class B

Data Communication Network Interface specification. It is designed to

interface directly to on-board vehicle microcontrollers and serves to transmit

and receive data on a single-wire bus at data rates of 10.4 kbps using Variable

Pulse Width Modulation (VPWM). The 33990 operates directly from a vehicle's

12 V battery system and functions in a logic fashion as an I/O interface

between the microcontroller's 5.0 V CMOS logic level swings and the required

0 V to 7.0 V waveshaped signal swings of the bus. The bus output driver is

short circuit current limited.

J-1850 SERIAL TRANSCEIVER

Features

• Designed for SAE J-1850 Class B Data Rates

• Full Operational Bus Dynamics Over a Supply Voltage of 9.0 V to 16 V

• Ambient Operating Temperature of -40°C to 125°C

• Interfaces Directly to Standard 5.0 V CMOS Microcontroller

• BUS Pin Protected Against Shorts to Battery and Ground

• Thermal Shutdown with Hysteresis

D SUFFIX

PLASTIC PACKAGE

CASE 751

(8-LEAD SOICN)

ORDERING INFORMATION

Temperature

• Voltage Waveshaping of Bus Output Driver

• Internally Reverse Battery Protected

Device

Package

Range (T )

• 40 V Max V_BATCapability

-40 to 125°C

8 SOICN

MC33990D/DR2

33990 Simplified Application Diagram

33990

V_BAT

Primary

Node

47 µH

BUS

470 pF

10.6 kΩ

SLEEP

Secondary

Nodes

LOAD

GND

MCU

4X/LOOP

This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

For More Information On This Product,

Go to: www.freescale.com

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