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Motorola : Semiconductors : Product Catalog : Analog : Communication and Physical Interfaces : LIN, ISO9141, J1850 Physical Interfaces : MC33990

Page Contents

Features
Parametrics
Documentation
Orderable Parts

Other Info

MC33990 : J1850 Serial transceiver with enhanced Ground

The MC33990 provides bi-directional half-duplex communication meeting the automotive SAE Standard J1850 Class B Data Communication Network Interface specification.It interfaces directly to microcontrollers,serves to transmit and receive single wire bus data at 10.4 kb/s using Variable Pulse Width Modulation,operates from vehicles 12 V battery or board level DC power source and shifts microcontrollers 5.0 V CMOS logic level signals to 0 to 7.0 V reduced radiated EMI wave shaped signals.A tristateable 4X/Loop pin invokes Normal or Disabled Wave Shaping,or Looped-Back Tx output to Rx signal after being wave shaped but not transmitted over the bus to check bus integrity. The MC33990 is designed to enhance robustness to a double fault condition. (Loss and reconnection Of module battery while module ground is lost.)is lost.)

MC33990 Features

Enhanced loss of ground protection

Interfaces directly to standard 5.0 V CMOS microcontroller

Off-bus loopback diagnostic mode

Controlled voltage and current waveshaping of bus drive (for radiated EMI reduction)

Waveshaping can be disabled

MC33990 Parametrics

Characteristics	Package	Bus type and standard	Protection	Operating Voltage	Standby Current	Other Features	Control and status reporting	Availability
J1850 Multiplexing bus with enhanced ground	8 SOICN	J1850	Current limit	9.0 to 16V	20uA	Internally reverse pattery protected	Parallel com	1Q02

MC33990 Documentation

Brochure

ID	Name	Format	Size K	Rev #	Date Last Modified	Order Availability
APDPAK/D	Analog ICs Portfolio Package	html	0	0	1/31/2002
BR1567/D	Analog ICs Integrated Solutions Technology	pdf	5416	0	1/16/2002
BR1568/D	Analog ICs Integrated Solutions Packaging	pdf	1411	0	1/11/2002
BR1569/D	Analog ICs Integrated Solutions Applications	pdf	2363	0	1/11/2002

Data Sheets

ID	Name	Format	Size K	Rev #	Date Last Modified	Order Availability
MC33990/D	MC33990 J1850 Serial transceiver with enhanced Ground	pdf	121	1.0	11/29/2000

Fact Sheets

ID	Name	Format	Size K	Rev #	Date Last Modified	Order Availability
MC33990FS/D	Analog Products MC33990 Fact Sheet	pdf	501	0	1/16/2002

Selector Guide

ID	Name	Format	Size K	Rev #	Date Last Modified	Order Availability
SG1002/D	Analog SPS Sales Guide	pdf	869	0	6/27/2002

Orderable Parts Information

PartNumber	Package Info	Life Cycle Description (code)	Remarks	Budgetary Price QTY 1000+ ($US)	Order Availability
MC33990D	8 SOICN	PRODUCT NEWLY INTRO'D/RAMP-UP(1)	-	$1.04
MC33990DR2	8 SOICN T/R	PRODUCT NEWLY INTRO'D/RAMP-UP(1)	Tape and Reel	$1.07