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MAX6424UK16-T

低功耗, SC70 / SOT μP复位电路,带有电容可调的复位超时周期 Low-Power, SC70/SOT レP Reset Circuits with Capacitor-Adjustable Reset Timeout Delay

General Description

The MAX6340/MAX6421–MAX6426 low-power micro processor supervisor circuits monitor system voltages from 1.6V to 5V. These devices perform a single function: they assert a reset signal whenever the VCC supply volt age falls below its reset threshold. The reset output remains asserted for the reset timeout period after VCC rises above the reset threshold. The reset timeout is exter nally set by a capacitor to provide more flexibility.

Features

♦ Monitor System Voltages from 1.6V to 5V

♦ Capacitor-Adjustable Reset Timeout Period

♦ Low Quiescent Current 1.6µA typ

♦ Three RESET Output Options

   Push-Pull RESET

   Push-Pull RESET

   Open-Drain RESET

♦ Guaranteed Reset Valid to VCC = 1V

♦ Immune to Short VCC Transients

♦ Small 4-Pin SC70, 4-Pin SOT143, and 5-Pin SOT23 Packages

♦ MAX6340 Pin Compatible with LP3470

♦ MAX6424/MAX6425 Pin Compatible with NCP300–NCP303, MC33464/MC33465, S807/S808/S809, and RN5VD

♦ MAX6426 Pin Compatible with PST92XX

Applications

  Portable Equipment

  Battery-Powered Computers/Controllers

  Automotive

  Medical Equipment

  Intelligent Instruments

  Embedded Controllers

  Critical µP Monitoring

  Set-Top Boxes

  Computers

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