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ATA663254-GAQW PDF预览

ATA663254-GAQW

更新时间： 2024-01-21 17:55:25
品牌 Logo 应用领域
美国微芯 - MICROCHIP 电信光电二极管电信集成电路
页数 文件大小 规格书
29页 1155K
描述
IC TXRX LIN W/VOLT REG 8SOIC

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ATA663254-GAQW 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOP,
Reach Compliance Code：compliantFactory Lead Time：24 weeks
风险等级：5.78JESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.9 mm
功能数量：1端子数量：8
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
筛选级别：TS 16949座面最大高度：1.75 mm
标称供电电压：13.5 V表面贴装：YES
电信集成电路类型：INTERFACE CIRCUIT端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：3.9 mm
Base Number Matches：1

ATA663254-GAQW 数据手册

 浏览型号ATA663254-GAQW的Datasheet PDF文件第3页浏览型号ATA663254-GAQW的Datasheet PDF文件第4页浏览型号ATA663254-GAQW的Datasheet PDF文件第5页浏览型号ATA663254-GAQW的Datasheet PDF文件第7页浏览型号ATA663254-GAQW的Datasheet PDF文件第8页浏览型号ATA663254-GAQW的Datasheet PDF文件第9页 
3.6  
Input/Output (TXD) (SBC only)  
In normal mode the TXD pin is the microcontroller interface for controlling the state of the LIN output. TXD must be pulled to  
ground in order to drive the LIN bus low. If TXD is high or unconnected (internal pull-up resistor), the LIN output transistor is  
turned off and the bus is in the recessive state. If the TXD pin stays at GND level while switching into normal mode, it must  
be pulled to high level longer than 10µs before the LIN driver can be activated. This feature prevents the bus line from being  
accidentally driven to dominant state after normal mode has been activated (also in case of a short circuit at TXD to GND).  
During fail-safe mode, this pin is used as output and signals the fail-safe source.  
The TXD input has an internal pull-up resistor.  
An internal timer prevents the bus line from being driven permanently in the dominant state. If TXD is forced to low longer  
than tdom > 20ms, the LIN bus driver is switched to the recessive state. Nevertheless, when switching to sleep mode, the  
actual level at the TXD pin is relevant.  
To reactivate the LIN bus driver, switch TXD to high (> 10µs).  
3.7  
3.8  
Output Pin (RXD) (SBC only)  
In normal mode this pin reports the state of the LIN bus to the microcontroller. LIN high (recessive state) is indicated by a  
high level at RXD; LIN low (dominant state) is indicated by a low level at RXD.  
The output is a push-pull stage switching between VCC and GND. The AC characteristics are measured by an external load  
capacitor of 20pF.  
In silent mode the RXD output switches to high.  
Enable Input Pin (EN) (SBC only)  
The enable input pin controls the operating mode of the device. If EN is high, the circuit is in normal mode, with transmission  
paths from TXD to LIN and from LIN to RXD both active. The VCC voltage regulator operates with 3.3V/5V/85mA output  
capability.  
If EN is switched to low while TXD is still high, the device is forced to silent mode. No data transmission is then possible, and  
current consumption is reduced to IVSsilent typ. 47µA. The VCC regulator retains its full functionality.  
If EN is switched to low while TXD is low, the device is forced to sleep mode. No data transmission is possible, and the  
voltage regulator is switched off.  
The EN pin provides a pull-down resistor to force the transceiver into recessive mode if EN is disconnected.  
6
ATA663201/ATA663203/ATA663231/ATA663254 [DATASHEET]  
9337G–AUTO–09/16  
1...3456789...29

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