參數(shù)資料
型號: MC33290
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: ISO K Line Serial Link Interface(串行ISO K-Line接口)
中文描述: 標(biāo)準(zhǔn)K線串行接口(串行標(biāo)準(zhǔn)K線接口)
文件頁數(shù): 1/12頁
文件大?。?/td> 396K
代理商: MC33290
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Motorola, Inc. 2003
33290 Simplified Application Diagram
Document order number: MC33290/D
Rev 5, 1/2003
33290
ORDERING INFORMATION
Device
Temperature
Range (
T
A
)
Package
MC33290D/DR2
-40 to 125°C
8-SOICN
ISO K Line Serial Link Interface
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.
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
T
A
125
°
C and 8.0 V
V
BB
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
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 V
Bat
Current Drain with V
DD
at 5.0 V
Low Current Drain During Operation with V
DD
at 5.0 V
D SUFFIX
PLASTIC PACKAGE
CASE 751
(8-SOICN)
ISO K LINE SERIAL LINK
INTERFACE
Components necessary for Reverse Battery (1), Overvoltage Transient (2), and 8.0 kV
ESD Protection (3) in a metal module case. This device contains 85 active transistors.
V
CC
D
x
SCIR
x
D
SCIT
x
D
MCU
V
DD
CEN
R
x
T
x
V
BB
ISO
GND
5.0 nF(3)
27 V(3)
1.0 nF
5.0 V
10 nF(3)
500
(2)
D(1)
45 V(2)
+V
Bat
+V
DD
ISO
K Line
510
Service Scan Tool
or
End of Production Line
Programming
or
System Checking
On-Board Diagnostic Link
33290
T
x
D
R
x
D
6
5
7
3
4
1
8
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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