3.0v/3.3v微处理器监控电路业内首款电池备份监控电路，用于3.3v/3.0v系统概述these microprocessor (µp)supervisory circuits reduce the complexity and number of componentsrequired for power-supply monitoring and battery-control functionsin µp systems. they significantly improve system reliability andaccuracy compared to separate ics or discrete components.
these devices are designed for use in systems powered by 3.0v or3.3v supplies. see the selector guide in the back of this datasheet for similar devices designed for 5v systems. the suffixesdenote different reset threshold voltages: 3.075v (t), 2.925v (s),and 2.625v (r) (see reset threshold section inthe detailed description). all these parts areavailable in 8-pin dip and so packages. functions offered in thisseries are as follows:
关键特性active-low reset and resetoutputsmanual reset inputprecision supply-voltagemonitor200ms reset time delaywatchdog timer (1.6sectimeout)battery-backup powerswitching-battery can exceed vcc in normaloperation40µa vcc supplycurrent1µa battery supplycurrentvoltage monitor for power-fail orlow-battery warningguaranteed active-low resetassertion to vcc = 1v8-pin dip and sopackages通过美国保险商实验室协会(ul)认证 应用/使用 汽车电子 电池供电计算机/控制器 精确的µp监控 嵌入式控制器 智能仪表 便携式设备

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深圳市蓝信伟业电子有限公司
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