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MCZ33990

Freescale Semiconductor
Part Number MCZ33990
Manufacturer Freescale Semiconductor
Description Enhanced Class B Serial Transceiver
Published Aug 8, 2007
Detailed Description www.DataSheet4U.com Freescale Semiconductor Advance Information Document Number: MC33990 Rev 3.0, 11/2006 Enhanced Cl...
Datasheet PDF File MCZ33990 PDF File

MCZ33990
MCZ33990

Overview
www.
DataSheet4U.
com Freescale Semiconductor Advance Information Document Number: MC33990 Rev 3.
0, 11/2006 Enhanced Class B Serial Transceiver The 33990 is a serial transceiver designed to provide bi-directional half-duplex communication meeting the automotive SAE Standard J1850 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 true 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.
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 • Voltage Waveshaping of Bus Output Driver • Internally Reverse Battery Protected • 40 V Max VBAT Capability • Pb-Free Packaging Designated by Suffix Code EF 33990 J-1850 SERIAL TRANSCEIVER D SUFFIX EF SUFFIX (PB-FREE) 98ASB42564B 8-PIN SOICN ORDERING INFORMATION Device MC33990D/DR2 -40°C to 125°C MCZ33990EF/R2 8 SOICNN Temperature Range (TA) Package VBAT +VBAT 33990 Primary Node BUS SLEEP TX MCU RX LOAD Secondary Nodes GND 4X/LOOP Figure 1.
33990 Simplified Application Diagram * This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc.
, 2006.
All rights reserved.
INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM 33990 Bus Driver Voltage Regulator Thermal Shutdown VBAT SLEEP BUS 4.
...


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