MAX6314

68HC11/双向微处理器复位电路

业内唯一的Motorola 68HCxx/双向兼容、SOT复位IC


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说明

The MAX6314 low-power CMOS microprocessor (µP) supervisory circuit is designed to monitor power supplies in µP and digital systems. The MAX6314's active-low RESET output is bidirectional, allowing it to be directly connected to µPs with bidirectional reset inputs, such as the 68HC11. It provides excellent circuit reliability and low cost by eliminating external components and adjustments. The MAX6314 also provides a debounced manual reset input.

This device performs a single function: it asserts a reset signal whenever the VCC supply voltage falls below a preset threshold or whenever manual reset is asserted. Reset remains asserted for an internally programmed interval (reset timeout period) after VCC has risen above the reset threshold or manual reset is deasserted.

The MAX6314 comes with factory-trimmed reset threshold voltages in 100mV increments from 2.5V to 5V. Preset timeout periods of 1ms, 20ms, 140ms, and 1120ms (minimum) are also available. The device comes in a SOT143 package.

For a µP supervisor with an open-drain reset pin, see the MAX6315 data sheet.
MAX6314:典型工作电路 MAX6314:典型工作电路 放大+

关键特性

  • Small SOT143 Package
  • Active-Low RESET Output Simplifies Interface to Bidirectional Reset I/Os
  • Precision Factory-Set VCC Reset Thresholds:
    • 100mV Increments from 2.5V to 5V
  • ±1.8% Reset Threshold Accuracy at TA = +25°C
  • ±2.5% Reset Threshold Accuracy over temp.
  • Four Reset Timeout Periods Available:
    • 1ms, 20ms, 140ms, or 1120ms (minimum)
  • Immune to Short VCC Transients
  • 5µA Supply Current
  • Pin-Compatible with MAX811

应用

  • 计算机:台式机、工作站和服务器
  • 控制器
  • 精确的µP与µC电源监控
  • 智能仪表
  • 便携式电池供电设备
Part NumberReset Thresh.
(V)
Reset OuttRESETWatchdog FeatureSupervisor FeaturesReset Thresh. Accur.
(%)
ICC
(µA)
Package/PinsBudgetary
Price
min@ +25°CmaxSee Notes
MAX6314 
2.5 to 3.3
3.3 to 5.5
Active Low
Bidirectional
1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s
No WatchdogManual Reset1.812
SOT23/4
$1.34 @1k
查看所有Supervisors (1 Monitored Voltage) (261)
Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

技术资料

设计指南 939 Choosing Supervisor Outputs

质量和环境数据

产品可靠性报告: MAX6314.pdf 
无铅封装的锡(Sn)晶须报告

CAD Symbols and Footprints

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  • 型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

    备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

    质量管理体系 >
    环境管理体系 >

     
    Status:
    Package:
    Temperature:

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    类型 编号 PDF 标题
    设计指南 939 Choosing Supervisor Outputs