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33660 Dataheets PDF



Part Number 33660
Manufacturers Freescale Semiconductor
Logo Freescale Semiconductor
Description ISO K Line Serial Link Interface
Datasheet 33660 Datasheet33660 Datasheet (PDF)

Freescale Semiconductor Advance Information Document Number: MC33660 Rev 5.0, 10/2013 ISO K Line Serial Link Interface The 33660 is a serial link bus interface device designed to provide bi-directional half-duplex communication interfacing in automotive diagnostic applications. It is designed to interface between the vehicle’s on-board microcontroller, and systems off-board the vehicle via the special ISO K line. The 33660 is designed to meet the Diagnostic Systems ISO9141 specification. The d.

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Freescale Semiconductor Advance Information Document Number: MC33660 Rev 5.0, 10/2013 ISO K Line Serial Link Interface The 33660 is a serial link bus interface device designed to provide bi-directional half-duplex communication interfacing in automotive diagnostic applications. It is designed to interface between the vehicle’s on-board microcontroller, and systems off-board the vehicle via the special ISO K line. The 33660 is designed to meet the Diagnostic Systems ISO9141 specification. The device’s K line bus driver’s output is fully protected against bus shorts and overtemperature conditions. The 33660 derives its robustness to temperature and voltage extremes by being built on a SMARTMOS process, incorporating CMOS logic, bipolar/MOS analog circuitry, and DMOS power FETs. Although the 33660 was principally designed for automotive applications, it is suited for other serial communication applications. It is parametrically specified over an ambient temperature range of -40 ºC ≤ TA ≤ 125 ºC and 8.0 V ≤ VBB ≤ 18 V supply. The economical SO-8 surface-mount plastic package makes the 33660 very cost effective. Features • • • • • • • • • • Operates over wide supply voltage of 8.0 to 18 V Operating temperature of -40 to 125 °C Interfaces directly to standard CMOS microprocessors ISO K line pin protected against shorts to battery Thermal shutdown with hysteresis ISO K line pin capable of high currents ISO K line can be driven with up to 10 nF of parasitic capacitance 8.0 kV ESD protection attainable with few additional components Standby mode: no VBAT current drain with VDD at 5.0 V Low current drain during operation with VDD at 5.0 V 33660 ISO9141 PHYSICAL INTERFACE EF SUFFIX (PB-FREE) 98ASB42564B 8-PIN SOICN ORDERING INFORMATION Device (For tape and reel orders, add an R2 suffix) MC33660EF MC33660BEF -40 to 125 °C 8-SOICN Temperature Range (TA) Package +VBAT VDD 33660 VDD MCU Dx SCIRxD SCITxD CEN RX TX ISO GND VDD VBB ISO K-LINE TXD RXD Figure 1. 33660 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., 2011-2013. All rights reserved. Free Datasheet http://www.datasheet4u.com/ DEVICE VARIATIONS DEVICE VARIATIONS Table 1. Device Variations Parameter VBB Load Dump Peak Voltage (in accordance with ISO 7637-2 & ISO 7637-3) Symbol VBB(5a) Condition Pulse 5a 470 ohm series resistor and 100 nF capacitor to GND on VBB Pulse 5b 470 ohm series resistor and 100 nF capacitor to GND on VBB 33 V zener diode and 470 pF capacitor to GND on ISO 33660 33660B (1) 82 V – VBB(5b) 45 V 45 V Module Level ESD (Air Discharge, Powered) (6) VESD4 – ±25000 V Notes 1. Recommended for all new designs 33660 2 Analog Integrated Circuit Device Data Freescale Semiconductor Free Datasheet http://www.datasheet4u.com/ INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM VBB 60 V CEN 10 V 125 kΩ 600 kΩ 3.0 kΩ 20 V * .


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