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33290

更新时间: 2022-04-23 23:00:11
品牌 Logo 应用领域
飞思卡尔 - FREESCALE /
页数 文件大小 规格书
12页 788K
描述
ISO K Line Serial Link Interface

33290 数据手册

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Document Number: MC33290  
Rev 8.0, 8/2008  
Freescale Semiconductor  
Technical Data  
ISO K Line Serial Link Interface  
33290  
The 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  
vehicle’s 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 device’s K line bus  
driver’s output is fully protected against bus shorts and  
overtemperature conditions.  
ISO9141 PHYSICAL INTERFACE  
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  
-40ºC TA 125ºC and 8.0 V VBB 18 V supply. The economical  
SO-8 surface-mount plastic package makes the 33290 very cost  
effective.  
D SUFFIX  
EF SUFFIX (PB-FREE)  
98ASB42564B  
8-PIN SOICN  
ORDERING INFORMATION  
Temperature  
Features  
Device  
Package  
• Operates Over Wide Supply Voltage of 8.0 to 18V  
• 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  
Range (T )  
A
MC33290D/R2  
-40 to 125°C  
8-SOICN  
MCZ33290EF/R2  
• 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  
• Pb-Free Packaging Designated by Suffix Code EF  
+V  
BAT  
V
DD  
33290  
VBB  
VDD  
VDD  
MCU  
ISO K-Line  
D
ISO  
CEN  
RX  
x
SCIR D  
x
T D  
x
SCIT D  
x
TX  
R D  
x
GND  
Figure 1. 33290 Simplified Application Diagram  
Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as  
may be required, to permit improvements in the design of its products.  
© Freescale Semiconductor, Inc., 2006-2008. All rights reserved.  

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