MC33290 ,ISO K Line Serial Link InterfaceMOTOROLA Document order number: MC33290/DRev 3, 08/2002SEMICONDUCTOR TECHNICAL DATA33290ISO K Line ..
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MC33290
ISO K Line Serial Link Interface
MOTOROLASEMICONDUCTOR TECHNICAL DATA
Document order number: MC33290/D
Rev 3, 08/2002
ORDERING INFORMATION
ISO K Line Serial Link InterfaceThe 33290 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 vehicles on-board
microcontroller and systems off-board the vehicle via the special ISO K line.
The 33290 is designed to meet the Diagnostic Systems ISO9141 specification.
The devices K line bus drivers output is fully protected against bus shorts and overtemperature conditions.
The 33290 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 33290 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°C≤TA≤ 125°C and 8.0V≤ VBB≤18 V supply. The
economical SO-8 surface-mount plastic package makes the 33290 very cost
effective.
Features Designed to Operate Over Wide Supply Voltage of 8.0 to 18 V Ambient Operating Temperature of -40 to 125°C Interfaces Directly to Standard CMOS Microprocessors ISO K Line Pin Protected Against Shorts to Ground Thermal Shutdown with Hysteresis Maximum Transmission Speeds in Excess of 50 k Baud 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
