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MC33390 : J1850 Serial Transceiver

The MC33390 is a serial link bus transceiver designed to provide bi-directional half-duplex communication meeting the automotive SAE Standard J-1850 Class B Data Communication Network Interface specification. It can be used at speeds up to 20 kb/s in non-standard applications.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 kb/s using variable pulse width modulation. The MC33390 operates directly from a vehicles 12 V battery system and functions in a "true logic" fashion as an I/O interface shifting the micro- controllers 5.0 V CMOS logic level signals to 0 to 7.0 V waveshaped signal swings required of the bus. The bus output driver is short circuit current limited. A tristateable 4X/loop mode select pin is used to invoke normal wave shaped J-1850 Class B operation (0 V), disabled waveshaping high speed operation (5.0 V),or looped-back transmitted Tx output to Rx signal after having been wave shaped but not transmitted onto the bus (high impedance). The loop-back mode is used to confirm operational integrity independent of the bus. Though the MC33390 was designed for automotive SAE J-1850 Class B Standards, it is suited for other serial module-to-module communication applications.s was principally designed for automotive applications requiring SAE J–1850 Class B standards, it is suited for other serial communication applications.. It is parametrically specified over an ambient temperature range of – 40°C 3 T A 3 125°C and 7.0 V 3 V Bat 3 16 V supply. The economical 8–pin SO–8 surface mount plastic package makes the device a cost effective solution.he device a cost effective solution..

MC33390 Features

• Designed for SAE J&endash;1850 Class B Data Rates
• Full Operational Bus Dynamics Over a Supply Voltage of 9.0 to 16 V
• Ambient Operating Temperature 40C to 125C
• Interfaces Directly to Standard 5.0 V CMOS Microcontroller
• Bus Pin Protected Against Shorts to Battery and Ground
• Thermal Shutdown with Hysteresis
• Controlled Voltage and Current Waveshaping of Bus Drive

MC33390 Parametrics

MC33390 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

Fact Sheets

ID	Name	Format	Size K	Rev #	Date Last Modified	Order Availability
MC33390FS/D	Analog Products MC33390 Fact Sheet	pdf	502	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
MC33390D	SO8	PRODUCT STABLE GROWTH/MATURITY(3)	-	$0.96
MC33390DR2	SO8 T/R	PRODUCT STABLE GROWTH/MATURITY(3)	-	$0.99