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Motorola Electronic Components Datasheet

33390 Datasheet

Class B Serial Transceiver

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Freescale Semiconductor, Inc.
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33390/D
Rev 4.0, 2/2003
Class B Serial Transceiver
The 33390 is a serial transceiver designed to provide bi-directional half-
duplex communication meeting the automotive SAE Standard J-1850 Class B
Data Communication Network Interface specification. It is designed to
interface directly to on-board vehicle microcontrollers and serves to transmit
and receive data on a single-wire bus at data rates of 10.4 kbps using Variable
Pulse Width Modulation (VPWM). The 33390 operates directly from a vehicle's
12 V battery system and functions in a logic fashion as an I/O interface
between the microcontroller's 5.0 V CMOS logic level swings and the required
0 V to 7.0 V waveshaped signal swings of the bus. The bus output driver is
short circuit current limited.
Features
• Designed for SAE J-1850 Class B Data Rates
• Full Operational Bus Dynamics Over a Supply Voltage of 9.0 to 16 V
• Ambient Operating Temperature of -40°C to 125°C
• Interfaces Directly to Standard 5.0 V CMOS Microcontroller
• BUS Pin Protected Against Shorts to Battery and Ground
• Thermal Shutdown with Hysteresis
• Voltage Waveshaping of Bus Output Driver
• 40 V Max VBAT Capability
33390
J-1850 SERIAL TRANSCEIVER
D SUFFIX
PLASTIC PACKAGE
CASE 751
(8-LEAD SOICN)
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33390D/DR2 -40 to 125°C
8 SOICN
© Motorola, Inc. 2003
VBAT
33390 Simplified Application Diagram
33390
VBAT
BUS
47 µH
470 pF
SLEEP
10.6 k
MCU
Tx LOAD
Rx
4X/LOOP
GND
Primary
Node
Secondary
Nodes
For More Information On This Product,
Go to: www.freescale.com


Motorola Electronic Components Datasheet

33390 Datasheet

Class B Serial Transceiver

No Preview Available !

Freescale Semiconductor, Inc.
VBAT
SLEEP
Tx
Rx
4X/LOOP
4.5 V
Reference
Digital Output
Driver
33390
Voltage
Regulator
Waveshaping
Filter
4X Enable
Loopback
Bus
Driver
Thermal
Shutdown
BUS
Loss of Ground
Protection
LOAD
GND
Note This device contains approximately 400 active transistors and 250 gates.
Figure 1. 33390 Simplified Block Diagram
33390
2
For More Information OMnOTTOhRiOsLAPrAoNdALuOcGt,INTEGRATED CIRCUIT DEVICE DATA
Go to: www.freescale.com


Part Number 33390
Description Class B Serial Transceiver
Maker Motorola Inc
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33390 Datasheet PDF






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