MAX801L|MAX801M|MAX801N - 8引脚微处理器监控电路，提供±1.5%的复位门限精度

MAX801L|MAX801M|MAX801N - 8引脚微处理器监控电路，提供±1.5%的复位门限精度 - 美信芯片 - 精度为1.5%的复位IC，提供电池备份功能 - 美信半导体

产品概述

The MAX801/MAX808 microprocessor (µP) supervisory circuits monitor and control the activities of +5V µPs by providing backup-battery switchover, low-line indication, and µP reset. Additional features include a watchdog for the MAX801 and CMOS RAM write protection for the MAX808.

The MAX801/MAX808 offer a choice of reset-threshold voltage (denoted by suffix letter): 4.675V (L), 4.575V (N), and 4.425V (M). These devices are available in 8-pin DIP and SO packages.

关键特性

以下关键特性由Maxim美信半导体提供：

Precision Voltage Monitoring, ±1.5% Reset Accuracy

200ms Power-OK/Reset Time Delay

Active-low RESET Output (MAX808)

RESET and active-low RESET Outputs (MAX801)

Watchdog Timer (MAX801)

On-Board Gating of Chip-Enable Signals (MAX808):

Memory Write-Cycle Completion

3ns CE Gate Propagation Delay

1µA Standby Current

Power Switching:

250mA in VCC Mode

20mA in Battery-Backup Mode

MaxCap™/SuperCap™ Compatible

Active-low RESET Guaranteed Valid to VCC = 1V

Low-Line Threshold 52mV Above Reset Threshold

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

嵌入式系统

智能仪表

便携式电池供电设备

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