MAX698 - 低成本、上电复位与看门狗控制器

MAX698是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX698是低成本、上电复位与看门狗控制器，本站介绍了MAX698的封装应用图解、特点和优点、功能等，并给出了与MAX698相关的Maxim元器件型号供参考。

MAX698 - 低成本、上电复位与看门狗控制器 - 监控电路、电压监测、排序 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX698/MAX699 monitor the +5V supply in microprocessor (µP) and digital systems. They supply a active-low RESET pulse of at least 140ms duration on power-up, power-down, and during low-voltage brownout conditions. Circuit reliability is increased at reduced cost by eliminating all external components and adjustments.

The MAX699 includes all features of the MAX698, but also provides a watchdog input to monitor microprocessor activity. The active-low RESET output goes low if the watchdog input (WDI) is not toggled within 1 second. The watchdog feature can be disabled by leaving WDI open.

Both parts are supplied in 8-lead PDIP and 16-lead 0.3in wide small outline (SO) packages and are specified from 0°C to +70°C for C grade devices and -40°C to +85°C for E devices. The SO versions, with more pins than the 8-lead PDIP, have additional outputs not available in DIP packages. These are RESET (without inversion) and watchdog output (active-low WDO).

关键特性

以下关键特性由Maxim美信半导体提供：

Precision Voltage Monitor

Power-OK/Reset Time Delay

Watchdog Timer

Minimum Component Count

热门应用

计算机

控制器

精确的µP电源监控

智能仪表

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