33990 Datasheet | Freescale Semiconductor

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 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 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 4.5 V Reference Waveshaping Filter Digital Output Driver 4X Enable Loopback Loss of Ground Protection LOAD 4X/LOOP Note This device contains approximately 400 active transistors and 250 gates. Figure 2. 33990 Simplified Internal Block...