MAX691A - 微处理器监控电路

MAX691A是Maxim美信半导体公司的一款监控电路、电压监测、排序产品，MAX691A是微处理器监控电路，本站介绍了MAX691A的封装应用图解、特点和优点、功能等，并给出了与MAX691A相关的Maxim元器件型号供参考。

MAX691A - 微处理器监控电路 - 监控电路、电压监测、排序 - 工业标准、功能完备的µP监控电路 - 美信半导体

产品概述

The MAX691A/MAX693A/MAX800L/MAX800M microprocessor (µP) supervisory circuits are pin-compatible upgrades to the MAX691, MAX693, and MAX695. They improve performance with 30µA supply current, 200ms typ reset active delay on power-up, and 6ns chip-enable propagation delay. Features include write protection of CMOS RAM or EEPROM, separate watchdog outputs, backup-battery switchover, and a RESET-bar output that is valid with VCC down to 1V. The MAX691A/MAX800L have a 4.65V typical reset-threshold voltage, and the MAX693A/MAX800M's reset threshold is 4.4V typical. The MAX800L/MAX800M guarantee power-fail accuracies to ±2%.

关键特性

以下关键特性由Maxim美信半导体提供：

200ms Power-OK/Reset Timeout Period

1µA Standby Current, 30µA Operating Current

On-Board Gating of Chip-Enable Signals, 10ns max Delay

MaxCap® or SuperCap Compatible

Guaranteed Active-Low RESET Assertion to VCC = +1V

Voltage Monitor for Power-Fail or Low-Battery Warning

Power-Fail Accuracy Guaranteed to ±2% (MAX800L/M)

Available in 16-Pin Narrow SO, Plastic DIP, and TSSOP Packages

热门应用

计算机：台式机、工作站和服务器

控制器

精确的µP监控

智能仪表

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