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PDF MC33290 Data sheet ( Hoja de datos )
| Número de pieza | MC33290 | |
| Descripción | ISO SERIAL LINK INTERFACE | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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MC33290
Advance Information
ISO Serial Link Interface
The MC33290 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 MC33290 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 over temperature conditions.
The MC33290 derives it’s robustness to temperature and voltage
extremes from being built on a SMARTMOS™ process, incorporating CMOS
logic, bipolar/MOS analog circuitry, and DMOS power FETs. Though the
MC33290 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 8.0 V ≤ VBat ≤ 18 V
supply. The economical 8 pin DIP and SO–8 surface mount plastic packages
make the MC33290 very cost effective.
• Designed to Operate Over Wide Supply Voltage of 8.0 to 18 V
• Ambient Operating Temperature of –40°C 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
ISO SERIAL LINK
INTERFACE
SEMICONDUCTOR
TECHNICAL DATA
8
1
P SUFFIX
PLASTIC PACKAGE
CASE 626
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
Typical Application Schematic
On–Board Diagnostic Link
+VBat
45 V(2)
+VDD
D(1)
MC33290
500 Ω(2)
MCU
VCC
5.0 V
7 VDD
VBB 1
10 nF(3)
1.0 nF
Dx
SCIRxD
CEN
8
Rx
6
SCITxD
Tx
5
5.0 nF(3)
ISO
4
Gnd
3
27 V(3)
ISO
K Line
Service Scan Tool
or
End of Production Line
Programming
or
System Checking
510 Ω
TxD
RxD
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.
This document contains information on a new product. Specifications and information herein
arMe OsuTbjOecRt tOo cLhAangAeNwAithLoOut GnotIiCce.DEVICE DATA
PIN CONNECTIONS
VBB
N/C
Gnd
ISO
(K Line I/O)
1
2
3
4
8 Tx
7 Rx
6 VDD
5 CEN
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC33290D
TA = –40° to +125°C
MC33290P
SO–8
DIP–8
© Motorola, Inc. 1997
Rev 0
1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet MC33290.PDF ] | |
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