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參數(shù)資料
| 型號(hào)： | MC33990DR2 |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC TRANSCEIVER J-1850 BUS 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類(lèi)型： | 收發(fā)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 1/1 |
| 電源電壓： | 9 V ~ 16 V |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 剪切帶 (CT) |
| 其它名稱(chēng)： | MC33990DR2CT |
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Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
Document Number: MC33990
Rev 4.0, 10/2008
Freescale Semiconductor
Technical Data
Freescale Semiconductor, Inc., 2006
-2008. All rights reserved.
Enhanced Class B Serial
Transceiver
The 33990 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 33990 operates directly from a vehicle's 12 V battery system and
functions in a true 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 V
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
Internally Reverse Battery Protected
40 V Max VBAT Capability
Pb-Free Packaging Designated by Suffix Code EF
Figure 1. 33990 Simplified Application Diagram
J-1850 SERIAL TRANSCEIVER
D SUFFIX
EF SUFFIX (PB-FREE)
98ASB42564B
8-PIN SOICN
33990
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
MC33990D/DR2
-40°C to 125°C
8 SOICNN
MCZ33990EF/R2
BUS
+VBAT
SLEEP
TX
RX
4X/LOOP
GND
LOAD
Primary
Node
MCU
VBAT
Secondary
Nodes
33990
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